ICD-10-CM Tag List · Specificity · FY 2026 30,368 Codes

2026 Unspecified Codes ICD-10-CM Codes ICD-10-CM

The FY 2026 dataset contains 30,368 unspecified codes codes across 1,489 code blocks. Unspecified codes apply when medical documentation does not provide enough detail to assign a more specific code. Coders are encouraged to use the most detailed diagnosis possible, but unspecified codes are sometimes necessary to accurately reflect the patient's condition when clinical information is incomplete.

✓ Built from the official CMS FY 2026 datasetEffective Oct 1, 2025 – Sep 30, 2026
30,368
Codes
1,489
Code Blocks
24,857
Billable
FY 2026
Dataset

Coding Guidance

Documentation must clearly support the need for an unspecified code. Payers increasingly scrutinize them, so query the provider when a more specific code is obtainable.

ICD-10-CM

Code Blocks With Unspecified Codes Codes 1,489 blocks · 30,368 codes

1,489 of 1,489 shown
BlockCode GroupUnspecified Codes Codes
A00Cholera1
A01Typhoid and paratyphoid fevers2
A02Other salmonella infections2
A03Shigellosis1
A04Other bacterial intestinal infections1
A05Other bacterial foodborne intoxications, not elsewhere classified1
A06Amebiasis2
A07Other protozoal intestinal diseases1
A08Viral and other specified intestinal infections1
A09Infectious gastroenteritis and colitis, unspecified1
A15Respiratory tuberculosis3
A17Tuberculosis of nervous system1
A18Tuberculosis of other organs9
A19Miliary tuberculosis2
A20Plague1
A21Tularemia1
A22Anthrax1
A23Brucellosis1
A24Glanders and melioidosis1
A25Rat-bite fevers1
A26Erysipeloid1
A27Leptospirosis1
A28Other zoonotic bacterial diseases, not elsewhere classified1
A30Leprosy [Hansen's disease]1
A31Infection due to other mycobacteria1
A32Listeriosis1
A36Diphtheria1
A37Whooping cough3
A39Meningococcal infection4
A40Streptococcal sepsis1
A41Other sepsis3
A42Actinomycosis1
A43Nocardiosis1
A44Bartonellosis1
A49Bacterial infection of unspecified site9
A50Congenital syphilis6
A51Early syphilis2
A52Late syphilis7
A53Other and unspecified syphilis3
A54Gonococcal infection8
A56Other sexually transmitted chlamydial diseases2
A59Trichomoniasis2
A60Anogenital herpesviral [herpes simplex] infections2
A64Unspecified sexually transmitted disease1
A66Yaws1
A67Pinta [carate]1
A68Relapsing fevers1
A69Other spirochetal infections2
A71Trachoma1
A74Other diseases caused by chlamydiae1
A75Typhus fever1
A77Spotted fever [tick-borne rickettsioses]2
A79Other rickettsioses1
A80Acute poliomyelitis3
A81Atypical virus infections of central nervous system2
A82Rabies1
A83Mosquito-borne viral encephalitis1
A84Tick-borne viral encephalitis1
A85Other viral encephalitis, not elsewhere classified1
A86Unspecified viral encephalitis1
A87Viral meningitis1
A89Unspecified viral infection of central nervous system1
A92Other mosquito-borne viral fevers2
A94Unspecified arthropod-borne viral fever1
A95Yellow fever1
A96Arenaviral hemorrhagic fever1
A99Unspecified viral hemorrhagic fever1
B00Herpesviral [herpes simplex] infections4
B02Zoster [herpes zoster]1
B06Rubella [German measles]1
B07Viral warts1
B08Other viral infections characterized by skin and mucous membrane lesions, not elsewhere classified4
B09Unspecified viral infection characterized by skin and mucous membrane lesions1
B17Other acute viral hepatitis1
B18Chronic viral hepatitis1
B19Unspecified viral hepatitis9
B25Cytomegaloviral disease1
B27Infectious mononucleosis5
B30Viral conjunctivitis1
B33Other viral diseases, not elsewhere classified1
B34Viral infection of unspecified site8
B35Dermatophytosis1
B36Other superficial mycoses1
B37Candidiasis3
B38Coccidioidomycosis3
B39Histoplasmosis3
B40Blastomycosis5
B41Paracoccidioidomycosis2
B42Sporotrichosis3
B43Chromomycosis and pheomycotic abscess3
B44Aspergillosis3
B45Cryptococcosis3
B46Zygomycosis4
B47Mycetoma1
B49Unspecified mycosis1
B50Plasmodium falciparum malaria1
B51Plasmodium vivax malaria1
B54Unspecified malaria1
B55Leishmaniasis1
B56African trypanosomiasis1
B57Chagas' disease3
B58Toxoplasmosis2
B60Other protozoal diseases, not elsewhere classified2
B64Unspecified protozoal disease1
B65Schistosomiasis [bilharziasis]1
B66Other fluke infections1
B67Echinococcosis8
B68Taeniasis1
B69Cysticercosis1
B71Other cestode infections1
B73Onchocerciasis1
B74Filariasis1
B76Hookworm diseases1
B77Ascariasis1
B78Strongyloidiasis2
B82Unspecified intestinal parasitism3
B83Other helminthiases1
B85Pediculosis and phthiriasis1
B87Myiasis1
B88Other infestations1
B89Unspecified parasitic disease1
B90Sequelae of tuberculosis1
B94Sequelae of other and unspecified infectious and parasitic diseases2
B95Streptococcus, Staphylococcus, and Enterococcus as the cause of diseases classified elsewhere2
B96Other bacterial agents as the cause of diseases classified elsewhere2
B97Viral agents as the cause of diseases classified elsewhere2
B99Other and unspecified infectious diseases2
C00Malignant neoplasm of lip4
C02Malignant neoplasm of other and unspecified parts of tongue3
C03Malignant neoplasm of gum1
C04Malignant neoplasm of floor of mouth1
C05Malignant neoplasm of palate1
C06Malignant neoplasm of other and unspecified parts of mouth4
C08Malignant neoplasm of other and unspecified major salivary glands2
C09Malignant neoplasm of tonsil1
C10Malignant neoplasm of oropharynx1
C11Malignant neoplasm of nasopharynx1
C13Malignant neoplasm of hypopharynx1
C14Malignant neoplasm of other and ill-defined sites in the lip, oral cavity and pharynx1
C15Malignant neoplasm of esophagus1
C16Malignant neoplasm of stomach3
C17Malignant neoplasm of small intestine1
C18Malignant neoplasm of colon1
C21Malignant neoplasm of anus and anal canal1
C22Malignant neoplasm of liver and intrahepatic bile ducts1
C24Malignant neoplasm of other and unspecified parts of biliary tract2
C25Malignant neoplasm of pancreas1
C26Malignant neoplasm of other and ill-defined digestive organs1
C31Malignant neoplasm of accessory sinuses1
C32Malignant neoplasm of larynx1
C34Malignant neoplasm of bronchus and lung8
C38Malignant neoplasm of heart, mediastinum and pleura1
C39Malignant neoplasm of other and ill-defined sites in the respiratory system and intrathoracic organs2
C40Malignant neoplasm of bone and articular cartilage of limbs9
C41Malignant neoplasm of bone and articular cartilage of other and unspecified sites2
C43Malignant melanoma of skin7
C44Other and unspecified malignant neoplasm of skin65
C45Mesothelioma1
C46Kaposi's sarcoma2
C47Malignant neoplasm of peripheral nerves and autonomic nervous system4
C48Malignant neoplasm of retroperitoneum and peritoneum1
C49Malignant neoplasm of other connective and soft tissue5
C4AMerkel cell carcinoma7
C50Malignant neoplasm of breast26
C51Malignant neoplasm of vulva1
C53Malignant neoplasm of cervix uteri1
C54Malignant neoplasm of corpus uteri1
C55Malignant neoplasm of uterus, part unspecified1
C56Malignant neoplasm of ovary1
C57Malignant neoplasm of other and unspecified female genital organs6
C60Malignant neoplasm of penis1
C62Malignant neoplasm of testis6
C63Malignant neoplasm of other and unspecified male genital organs4
C64Malignant neoplasm of kidney, except renal pelvis1
C65Malignant neoplasm of renal pelvis1
C66Malignant neoplasm of ureter1
C67Malignant neoplasm of bladder1
C68Malignant neoplasm of other and unspecified urinary organs2
C69Malignant neoplasm of eye and adnexa12
C70Malignant neoplasm of meninges1
C71Malignant neoplasm of brain1
C72Malignant neoplasm of spinal cord, cranial nerves and other parts of central nervous system6
C74Malignant neoplasm of adrenal gland6
C75Malignant neoplasm of other endocrine glands and related structures2
C76Malignant neoplasm of other and ill-defined sites2
C77Secondary and unspecified malignant neoplasm of lymph nodes9
C78Secondary malignant neoplasm of respiratory and digestive organs5
C79Secondary malignant neoplasm of other and unspecified sites9
C7AMalignant neuroendocrine tumors6
C7BSecondary neuroendocrine tumors1
C80Malignant neoplasm without specification of site2
C81Hodgkin lymphoma18
C82Follicular lymphoma31
C83Non-follicular lymphoma18
C84Mature T/NK-cell lymphomas30
C85Other specified and unspecified types of non-Hodgkin lymphoma27
C88Malignant immunoproliferative diseases and certain other B-cell lymphomas3
C91Lymphoid leukemia4
C92Myeloid leukemia4
C93Monocytic leukemia4
C95Leukemia of unspecified cell type13
C96Other and unspecified malignant neoplasms of lymphoid, hematopoietic and related tissue3
D00Carcinoma in situ of oral cavity, esophagus and stomach1
D01Carcinoma in situ of other and unspecified digestive organs4
D02Carcinoma in situ of middle ear and respiratory system2
D03Melanoma in situ7
D04Carcinoma in situ of skin7
D05Carcinoma in situ of breast7
D06Carcinoma in situ of cervix uteri1
D07Carcinoma in situ of other and unspecified genital organs5
D09Carcinoma in situ of other and unspecified sites5
D10Benign neoplasm of mouth and pharynx3
D11Benign neoplasm of major salivary glands1
D12Benign neoplasm of colon, rectum, anus and anal canal1
D13Benign neoplasm of other and ill-defined parts of digestive system2
D14Benign neoplasm of middle ear and respiratory system2
D15Benign neoplasm of other and unspecified intrathoracic organs2
D16Benign neoplasm of bone and articular cartilage5
D17Benign lipomatous neoplasm4
D18Hemangioma and lymphangioma, any site1
D19Benign neoplasm of mesothelial tissue1
D21Other benign neoplasms of connective and other soft tissue4
D22Melanocytic nevi7
D23Other benign neoplasms of skin7
D24Benign neoplasm of breast1
D25Leiomyoma of uterus1
D26Other benign neoplasms of uterus1
D27Benign neoplasm of ovary1
D28Benign neoplasm of other and unspecified female genital organs2
D29Benign neoplasm of male genital organs3
D30Benign neoplasm of urinary organs4
D31Benign neoplasm of eye and adnexa14
D32Benign neoplasm of meninges1
D33Benign neoplasm of brain and other parts of central nervous system2
D35Benign neoplasm of other and unspecified endocrine glands3
D36Benign neoplasm of other and unspecified sites4
D37Neoplasm of uncertain behavior of oral cavity and digestive organs17
D38Neoplasm of uncertain behavior of middle ear and respiratory and intrathoracic organs7
D39Neoplasm of uncertain behavior of female genital organs7
D3ABenign neuroendocrine tumors6
D40Neoplasm of uncertain behavior of male genital organs6
D41Neoplasm of uncertain behavior of urinary organs13
D42Neoplasm of uncertain behavior of meninges3
D43Neoplasm of uncertain behavior of brain and central nervous system7
D44Neoplasm of uncertain behavior of endocrine glands11
D45Polycythemia vera1
D46Myelodysplastic syndromes3
D47Other neoplasms of uncertain behavior of lymphoid, hematopoietic and related tissue12
D48Neoplasm of uncertain behavior of other and unspecified sites23
D49Neoplasms of unspecified behavior18
D50Iron deficiency anemia1
D51Vitamin B12 deficiency anemia1
D52Folate deficiency anemia1
D53Other nutritional anemias1
D55Anemia due to enzyme disorders1
D56Thalassemia1
D57Sickle-cell disorders12
D58Other hereditary hemolytic anemias1
D59Acquired hemolytic anemia3
D60Acquired pure red cell aplasia [erythroblastopenia]1
D61Other aplastic anemias and other bone marrow failure syndromes1
D64Other anemias1
D68Other coagulation defects3
D69Purpura and other hemorrhagic conditions2
D70Neutropenia1
D71Functional disorders of polymorphonuclear neutrophils1
D72Other disorders of white blood cells5
D73Diseases of spleen8
D74Methemoglobinemia3
D75Other and unspecified diseases of blood and blood-forming organs9
D77Other disorders of blood and blood-forming organs in diseases classified elsewhere1
D80Immunodeficiency with predominantly antibody defects1
D81Combined immunodeficiencies10
D82Immunodeficiency associated with other major defects1
D83Common variable immunodeficiency1
D84Other immunodeficiencies1
D86Sarcoidosis1
D89Other disorders involving the immune mechanism, not elsewhere classified5
E00Congenital iodine-deficiency syndrome1
E01Iodine-deficiency related thyroid disorders and allied conditions1
E03Other hypothyroidism1
E04Other nontoxic goiter1
E05Thyrotoxicosis [hyperthyroidism]3
E06Thyroiditis1
E07Other disorders of thyroid1
E08Diabetes mellitus due to underlying condition19
E09Drug or chemical induced diabetes mellitus19
E10Type 1 diabetes mellitus20
E11Type 2 diabetes mellitus19
E13Other specified diabetes mellitus19
E15Nondiabetic hypoglycemic coma1
E16Other disorders of pancreatic internal secretion10
E20Hypoparathyroidism10
E21Hyperparathyroidism and other disorders of parathyroid gland6
E22Hyperfunction of pituitary gland1
E23Hypofunction and other disorders of the pituitary gland1
E24Cushing's syndrome6
E25Adrenogenital disorders3
E26Hyperaldosteronism7
E27Other disorders of adrenal gland10
E28Ovarian dysfunction8
E29Testicular dysfunction4
E30Disorders of puberty, not elsewhere classified4
E31Polyglandular dysfunction8
E32Diseases of thymus4
E34Other endocrine disorders20
E35Disorders of endocrine glands in diseases classified elsewhere1
E43Unspecified severe protein-calorie malnutrition1
E46Unspecified protein-calorie malnutrition1
E50Vitamin A deficiency1
E51Thiamine deficiency1
E53Deficiency of other B group vitamins1
E55Vitamin D deficiency1
E56Other vitamin deficiencies1
E61Deficiency of other nutrient elements1
E63Other nutritional deficiencies1
E64Sequelae of malnutrition and other nutritional deficiencies1
E65Localized adiposity1
E66Overweight and obesity2
E67Other hyperalimentation5
E70Disorders of aromatic amino-acid metabolism27
E71Disorders of branched-chain amino-acid metabolism and fatty-acid metabolism38
E72Other disorders of amino-acid metabolism28
E73Lactose intolerance4
E74Other disorders of carbohydrate metabolism25
E75Disorders of sphingolipid metabolism and other lipid storage disorders27
E76Disorders of glycosaminoglycan metabolism12
E77Disorders of glycoprotein metabolism4
E78Disorders of lipoprotein metabolism and other lipidemias11
E79Disorders of purine and pyrimidine metabolism8
E80Disorders of porphyrin and bilirubin metabolism11
E83Disorders of mineral metabolism26
E84Cystic fibrosis1
E85Amyloidosis10
E86Volume depletion1
E87Other disorders of fluid, electrolyte and acid-base balance2
E88Other and unspecified metabolic disorders22
F01Vascular dementia8
F02Dementia in other diseases classified elsewhere8
F03Unspecified dementia33
F06Other mental disorders due to known physiological condition1
F07Personality and behavioral disorders due to known physiological condition1
F09Unspecified mental disorder due to known physiological condition1
F10Alcohol related disorders33
F11Opioid related disorders25
F12Cannabis related disorders23
F13Sedative, hypnotic, or anxiolytic related disorders33
F14Cocaine related disorders27
F15Other stimulant related disorders26
F16Hallucinogen related disorders23
F17Nicotine dependence9
F18Inhalant related disorders23
F19Other psychoactive substance related disorders34
F20Schizophrenia1
F25Schizoaffective disorders1
F29Unspecified psychosis not due to a substance or known physiological condition1
F30Manic episode2
F31Bipolar disorder5
F32Depressive episode2
F33Major depressive disorder, recurrent2
F34Persistent mood [affective] disorders4
F39Unspecified mood [affective] disorder1
F40Phobic anxiety disorders3
F41Other anxiety disorders1
F42Obsessive-compulsive disorder1
F43Reaction to severe stress, and adjustment disorders3
F44Dissociative and conversion disorders1
F45Somatoform disorders2
F48Other nonpsychotic mental disorders1
F50Eating disorders6
F51Sleep disorders not due to a substance or known physiological condition1
F52Sexual dysfunction not due to a substance or known physiological condition1
F59Unspecified behavioral syndromes associated with physiological disturbances and physical factors1
F60Specific personality disorders1
F63Impulse disorders1
F64Gender identity disorders1
F65Paraphilias2
F68Other disorders of adult personality and behavior1
F69Unspecified disorder of adult personality and behavior1
F79Unspecified intellectual disabilities1
F80Specific developmental disorders of speech and language1
F81Specific developmental disorders of scholastic skills1
F84Pervasive developmental disorders1
F89Unspecified disorder of psychological development1
F90Attention-deficit hyperactivity disorders1
F91Conduct disorders1
F93Emotional disorders with onset specific to childhood1
F94Disorders of social functioning with onset specific to childhood and adolescence1
F95Tic disorder1
F98Other behavioral and emotional disorders with onset usually occurring in childhood and adolescence1
G00Bacterial meningitis, not elsewhere classified1
G03Meningitis due to other and unspecified causes2
G04Encephalitis, myelitis and encephalomyelitis5
G06Intracranial and intraspinal abscess and granuloma1
G11Hereditary ataxia2
G12Spinal muscular atrophy and related syndromes2
G20Parkinson's disease1
G21Secondary parkinsonism1
G23Other degenerative diseases of basal ganglia1
G24Dystonia1
G25Other extrapyramidal and movement disorders3
G30Alzheimer's disease1
G31Other degenerative diseases of nervous system, not elsewhere classified2
G35Multiple sclerosis3
G36Other acute disseminated demyelination1
G37Other demyelinating diseases of central nervous system1
G40Epilepsy and recurrent seizures7
G43Migraine7
G44Other headache syndromes9
G45Transient cerebral ischemic attacks and related syndromes1
G47Sleep disorders6
G50Disorders of trigeminal nerve1
G51Facial nerve disorders2
G52Disorders of other cranial nerves1
G54Nerve root and plexus disorders1
G56Mononeuropathies of upper limb11
G57Mononeuropathies of lower limb14
G58Other mononeuropathies1
G60Hereditary and idiopathic neuropathy1
G61Inflammatory polyneuropathy1
G62Other and unspecified polyneuropathies2
G70Myasthenia gravis and other myoneural disorders2
G71Primary disorders of muscles5
G72Other and unspecified myopathies2
G80Cerebral palsy1
G81Hemiplegia and hemiparesis8
G82Paraplegia (paraparesis) and quadriplegia (quadriparesis)2
G83Other paralytic syndromes9
G90Disorders of autonomic nervous system4
G91Hydrocephalus2
G92Toxic encephalopathy2
G93Other disorders of brain3
G95Other and unspecified diseases of spinal cord4
G96Other disorders of central nervous system3
H00Hordeolum and chalazion12
H01Other inflammation of eyelid32
H02Other disorders of eyelid125
H04Disorders of lacrimal system43
H05Disorders of orbit33
H10Conjunctivitis30
H11Other disorders of conjunctiva33
H15Disorders of sclera24
H16Keratitis53
H17Corneal scars and opacities5
H18Other disorders of cornea56
H20Iridocyclitis11
H21Other disorders of iris and ciliary body29
H25Age-related cataract8
H26Other cataract27
H27Other disorders of lens6
H30Chorioretinal inflammation26
H31Other disorders of choroid31
H33Retinal detachments and breaks28
H34Retinal vascular occlusions14
H35Other retinal disorders66
H36Retinal disorders in diseases classified elsewhere2
H40Glaucoma113
H43Disorders of vitreous body8
H44Disorders of globe59
H46Optic neuritis3
H47Other disorders of optic [2nd] nerve and visual pathways22
H49Paralytic strabismus8
H50Other strabismus18
H51Other disorders of binocular movement2
H52Disorders of refraction and accommodation13
H53Visual disturbances25
H54Blindness and low vision5
H55Nystagmus and other irregular eye movements1
H57Other disorders of eye and adnexa6
H59Intraoperative and postprocedural complications and disorders of eye and adnexa, not elsewhere classified16
H60Otitis externa75
H61Other disorders of external ear68
H62Disorders of external ear in diseases classified elsewhere8
H65Nonsuppurative otitis media15
H66Suppurative and unspecified otitis media18
H67Otitis media in diseases classified elsewhere1
H68Eustachian salpingitis and obstruction15
H69Other and unspecified disorders of Eustachian tube8
H70Mastoiditis and related conditions18
H71Cholesteatoma of middle ear9
H72Perforation of tympanic membrane10
H73Other disorders of tympanic membrane18
H74Other disorders of middle ear mastoid13
H75Other disorders of middle ear and mastoid in diseases classified elsewhere2
H80Otosclerosis9
H81Disorders of vestibular function11
H82Vertiginous syndromes in diseases classified elsewhere1
H83Other diseases of inner ear10
H90Conductive and sensorineural hearing loss3
H91Other and unspecified hearing loss10
H92Otalgia and effusion of ear12
H93Other disorders of ear, not elsewhere classified48
H94Other disorders of ear in diseases classified elsewhere8
H95Intraoperative and postprocedural complications and disorders of ear and mastoid process, not elsewhere classified6
I01Rheumatic fever with heart involvement1
I05Rheumatic mitral valve diseases1
I06Rheumatic aortic valve diseases1
I07Rheumatic tricuspid valve diseases1
I08Multiple valve diseases1
I09Other rheumatic heart diseases2
I12Hypertensive chronic kidney disease1
I13Hypertensive heart and chronic kidney disease2
I15Secondary hypertension1
I16Hypertensive crisis1
I20Angina pectoris1
I21Acute myocardial infarction2
I22Subsequent ST elevation (STEMI) and non-ST elevation (NSTEMI) myocardial infarction1
I24Other acute ischemic heart diseases1
I25Chronic ischemic heart disease14
I27Other pulmonary heart diseases3
I28Other diseases of pulmonary vessels1
I30Acute pericarditis1
I31Other diseases of pericardium1
I33Acute and subacute endocarditis1
I34Nonrheumatic mitral valve disorders7
I35Nonrheumatic aortic valve disorders5
I36Nonrheumatic tricuspid valve disorders5
I37Nonrheumatic pulmonary valve disorders5
I38Endocarditis, valve unspecified1
I40Acute myocarditis1
I42Cardiomyopathy1
I44Atrioventricular and left bundle-branch block5
I45Other conduction disorders3
I46Cardiac arrest1
I47Paroxysmal tachycardia3
I48Atrial fibrillation and flutter4
I49Other cardiac arrhythmias3
I50Heart failure6
I51Complications and ill-defined descriptions of heart disease2
I60Nontraumatic subarachnoid hemorrhage6
I61Nontraumatic intracerebral hemorrhage2
I62Other and unspecified nontraumatic intracranial hemorrhage3
I63Cerebral infarction54
I65Occlusion and stenosis of precerebral arteries, not resulting in cerebral infarction3
I66Occlusion and stenosis of cerebral arteries, not resulting in cerebral infarction4
I67Other cerebrovascular diseases1
I69Sequelae of cerebrovascular disease78
I70Atherosclerosis110
I71Aortic aneurysm and dissection10
I72Other aneurysm1
I73Other peripheral vascular diseases1
I74Arterial embolism and thrombosis4
I75Atheroembolism2
I77Other disorders of arteries and arterioles15
I78Diseases of capillaries4
I79Disorders of arteries, arterioles and capillaries in diseases classified elsewhere2
I80Phlebitis and thrombophlebitis16
I82Other venous embolism and thrombosis68
I83Varicose veins of lower extremities24
I87Other disorders of veins11
I88Nonspecific lymphadenitis1
I89Other noninfective disorders of lymphatic vessels and lymph nodes1
I95Hypotension1
I99Other and unspecified disorders of circulatory system3
J01Acute sinusitis8
J02Acute pharyngitis1
J03Acute tonsillitis4
J04Acute laryngitis and tracheitis3
J06Acute upper respiratory infections of multiple and unspecified sites2
J10Influenza due to other identified influenza virus1
J11Influenza due to unidentified influenza virus1
J12Viral pneumonia, not elsewhere classified1
J15Bacterial pneumonia, not elsewhere classified2
J18Pneumonia, unspecified organism6
J20Acute bronchitis1
J21Acute bronchiolitis1
J22Unspecified acute lower respiratory infection1
J30Vasomotor and allergic rhinitis7
J31Chronic rhinitis, nasopharyngitis and pharyngitis3
J32Chronic sinusitis1
J33Nasal polyp4
J34Other and unspecified disorders of nose and nasal sinuses15
J35Chronic diseases of tonsils and adenoids1
J37Chronic laryngitis and laryngotracheitis2
J38Diseases of vocal cords and larynx, not elsewhere classified10
J39Other diseases of upper respiratory tract4
J42Unspecified chronic bronchitis1
J43Emphysema1
J44Other chronic obstructive pulmonary disease1
J45Asthma5
J4AChronic lung allograft dysfunction2
J64Unspecified pneumoconiosis1
J67Hypersensitivity pneumonitis due to organic dust1
J68Respiratory conditions due to inhalation of chemicals, gases, fumes and vapors1
J70Respiratory conditions due to other external agents2
J81Pulmonary edema2
J82Pulmonary eosinophilia, not elsewhere classified5
J84Other interstitial pulmonary diseases25
J85Abscess of lung and mediastinum1
J93Pneumothorax and air leak1
J94Other pleural conditions1
J95Intraoperative and postprocedural complications and disorders of respiratory system, not elsewhere classified1
J96Respiratory failure, not elsewhere classified7
J98Other respiratory disorders6
J99Respiratory disorders in diseases classified elsewhere1
K00Disorders of tooth development and eruption1
K02Dental caries1
K03Other diseases of hard tissues of teeth1
K04Diseases of pulp and periapical tissues2
K05Gingivitis and periodontal diseases7
K06Other disorders of gingiva and edentulous alveolar ridge3
K08Other disorders of teeth and supporting structures24
K09Cysts of oral region, not elsewhere classified1
K11Diseases of salivary glands2
K12Stomatitis and related lesions1
K13Other diseases of lip and oral mucosa2
K14Diseases of tongue1
K20Esophagitis3
K22Other diseases of esophagus2
K25Gastric ulcer4
K26Duodenal ulcer4
K27Peptic ulcer, site unspecified10
K28Gastrojejunal ulcer4
K29Gastritis and duodenitis9
K30Functional dyspepsia1
K31Other diseases of stomach and duodenum24
K35Acute appendicitis4
K37Unspecified appendicitis1
K38Other diseases of appendix1
K43Ventral hernia2
K46Unspecified abdominal hernia4
K50Crohn's disease [regional enteritis]12
K51Ulcerative colitis15
K52Other and unspecified noninfective gastroenteritis and colitis3
K55Vascular disorders of intestine30
K56Paralytic ileus and intestinal obstruction without hernia8
K57Diverticular disease of intestine8
K58Irritable bowel syndrome5
K59Other functional intestinal disorders15
K60Fissure and fistula of anal and rectal regions10
K62Other diseases of anus and rectum1
K63Other diseases of intestine11
K64Hemorrhoids and perianal venous thrombosis1
K65Peritonitis1
K66Other disorders of peritoneum4
K68Disorders of retroperitoneum3
K70Alcoholic liver disease5
K71Toxic liver disease6
K72Hepatic failure, not elsewhere classified3
K73Chronic hepatitis, not elsewhere classified1
K74Fibrosis and cirrhosis of liver12
K75Other inflammatory liver diseases3
K76Other diseases of liver12
K77Liver disorders in diseases classified elsewhere1
K80Cholelithiasis6
K81Cholecystitis1
K82Other diseases of gallbladder1
K83Other diseases of biliary tract1
K85Acute pancreatitis4
K86Other diseases of pancreas1
K90Intestinal malabsorption13
K91Intraoperative and postprocedural complications and disorders of digestive system, not elsewhere classified2
K92Other diseases of digestive system4
K94Complications of artificial openings of the digestive system4
L01Impetigo1
L02Cutaneous abscess, furuncle and carbuncle16
L03Cellulitis and acute lymphangitis11
L04Acute lymphadenitis1
L08Other local infections of skin and subcutaneous tissue1
L10Pemphigus1
L11Other acantholytic disorders1
L12Pemphigoid2
L13Other bullous disorders1
L20Atopic dermatitis1
L21Seborrheic dermatitis1
L23Allergic contact dermatitis1
L24Irritant contact dermatitis3
L25Unspecified contact dermatitis9
L27Dermatitis due to substances taken internally1
L29Pruritus2
L30Other and unspecified dermatitis6
L40Psoriasis2
L41Parapsoriasis1
L43Lichen planus1
L44Other papulosquamous disorders1
L50Urticaria1
L51Erythema multiforme1
L53Other erythematous conditions1
L55Sunburn1
L56Other acute skin changes due to ultraviolet radiation7
L57Skin changes due to chronic exposure to nonionizing radiation7
L58Radiodermatitis1
L59Other disorders of skin and subcutaneous tissue related to radiation1
L60Nail disorders8
L62Nail disorders in diseases classified elsewhere1
L63Alopecia areata5
L64Androgenic alopecia3
L65Other nonscarring hair loss5
L66Cicatricial alopecia [scarring hair loss]9
L67Hair color and hair shaft abnormalities4
L68Hypertrichosis6
L70Acne1
L71Rosacea1
L72Follicular cysts of skin and subcutaneous tissue7
L73Other follicular disorders3
L74Eccrine sweat disorders13
L75Apocrine sweat disorders5
L80Vitiligo1
L81Other disorders of pigmentation10
L82Seborrheic keratosis2
L83Acanthosis nigricans1
L84Corns and callosities1
L85Other epidermal thickening6
L86Keratoderma in diseases classified elsewhere1
L87Transepidermal elimination disorders5
L89Pressure ulcer74
L90Atrophic disorders of skin9
L91Hypertrophic disorders of skin3
L92Granulomatous disorders of skin and subcutaneous tissue5
L94Other localized connective tissue disorders8
L95Vasculitis limited to skin, not elsewhere classified1
L97Non-pressure chronic ulcer of lower limb, not elsewhere classified94
L98Other disorders of skin and subcutaneous tissue, not elsewhere classified47
L99Other disorders of skin and subcutaneous tissue in diseases classified elsewhere1
M00Pyogenic arthritis33
M01Direct infections of joint in infectious and parasitic diseases classified elsewhere8
M02Postinfective and reactive arthropathies41
M04Autoinflammatory syndromes1
M05Rheumatoid arthritis with rheumatoid factor88
M06Other rheumatoid arthritis33
M07Enteropathic arthropathies8
M08Juvenile arthritis90
M10Gout41
M11Other crystal arthropathies33
M12Other and unspecified arthropathy58
M13Other arthritis17
M14Arthropathies in other diseases classified elsewhere16
M15Polyosteoarthritis1
M16Osteoarthritis of hip4
M17Osteoarthritis of knee3
M18Osteoarthritis of first carpometacarpal joint4
M19Other and unspecified osteoarthritis21
M1AChronic gout123
M20Acquired deformities of fingers and toes17
M21Other acquired deformities of limbs60
M22Disorder of patella10
M23Internal derangement of knee64
M24Other specific joint derangements71
M25Other joint disorder, not elsewhere classified79
M26Dentofacial anomalies [including malocclusion]19
M27Other diseases of jaws3
M31Other necrotizing vasculopathies2
M32Systemic lupus erythematosus (SLE)2
M33Dermatopolymyositis9
M34Systemic sclerosis [scleroderma]1
M35Other systemic involvement of connective tissue3
M36Systemic disorders of connective tissue in diseases classified elsewhere1
M40Kyphosis and lordosis17
M41Scoliosis9
M42Spinal osteochondrosis3
M43Other deforming dorsopathies6
M45Ankylosing spondylitis2
M46Other inflammatory spondylopathies27
M47Spondylosis7
M48Other spondylopathies16
M49Spondylopathies in diseases classified elsewhere1
M50Cervical disc disorders19
M51Thoracic, thoracolumbar, and lumbosacral intervertebral disc disorders3
M53Other and unspecified dorsopathies, not elsewhere classified4
M54Dorsalgia6
M60Myositis43
M61Calcification and ossification of muscle52
M62Other disorders of muscle42
M63Disorders of muscle in diseases classified elsewhere8
M65Synovitis and tenosynovitis69
M66Spontaneous rupture of synovium and tendon35
M67Other disorders of synovium and tendon66
M70Soft tissue disorders related to use, overuse and pressure49
M71Other bursopathies47
M72Fibroblastic disorders1
M75Shoulder lesions16
M76Enthesopathies, lower limb, excluding foot12
M77Other enthesopathies7
M79Other and unspecified soft tissue disorders, not elsewhere classified20
M80Osteoporosis with current pathological fracture126
M83Adult osteomalacia1
M84Disorder of continuity of bone345
M85Other disorders of bone density and structure57
M86Osteomyelitis58
M87Osteonecrosis71
M88Osteitis deformans [Paget's disease of bone]8
M89Other disorders of bone62
M90Osteopathies in diseases classified elsewhere24
M91Juvenile osteochondrosis of hip and pelvis9
M92Other juvenile osteochondrosis22
M93Other osteochondropathies68
M94Other disorders of cartilage11
M95Other acquired deformities of musculoskeletal system and connective tissue2
M96Intraoperative and postprocedural complications and disorders of musculoskeletal system, not elsewhere classified4
M97Periprosthetic fracture around internal prosthetic joint4
M99Biomechanical lesions, not elsewhere classified1
N00Acute nephritic syndrome1
N01Rapidly progressive nephritic syndrome1
N02Recurrent and persistent hematuria1
N03Chronic nephritic syndrome1
N04Nephrotic syndrome2
N05Unspecified nephritic syndrome12
N06Isolated proteinuria with specified morphological lesion2
N07Hereditary nephropathy, not elsewhere classified1
N11Chronic tubulo-interstitial nephritis1
N13Obstructive and reflux uropathy13
N14Drug- and heavy-metal-induced tubulo-interstitial and tubular conditions1
N15Other renal tubulo-interstitial diseases1
N17Acute kidney failure5
N18Chronic kidney disease (CKD)2
N19Unspecified kidney failure1
N20Calculus of kidney and ureter1
N21Calculus of lower urinary tract1
N23Unspecified renal colic1
N25Disorders resulting from impaired renal tubular function5
N26Unspecified contracted kidney4
N27Small kidney of unknown cause3
N28Other disorders of kidney and ureter, not elsewhere classified10
N29Other disorders of kidney and ureter in diseases classified elsewhere1
N30Cystitis3
N31Neuromuscular dysfunction of bladder, not elsewhere classified5
N32Other disorders of bladder7
N33Bladder disorders in diseases classified elsewhere1
N34Urethritis and urethral syndrome1
N35Urethral stricture32
N36Other disorders of urethra10
N37Urethral disorders in diseases classified elsewhere1
N39Other disorders of urinary system1
N41Inflammatory diseases of prostate1
N42Other and unspecified disorders of prostate3
N43Hydrocele and spermatocele2
N44Noninflammatory disorders of testis1
N46Male infertility1
N48Other disorders of penis2
N49Inflammatory disorders of male genital organs, not elsewhere classified1
N50Other and unspecified disorders of male genital organs3
N52Male erectile dysfunction2
N53Other male sexual dysfunction1
N60Benign mammary dysplasia10
N61Inflammatory disorders of breast1
N63Unspecified lump in breast22
N64Other disorders of breast1
N70Salpingitis and oophoritis4
N71Inflammatory disease of uterus, except cervix1
N73Other female pelvic inflammatory diseases3
N75Diseases of Bartholin's gland1
N80Endometriosis61
N81Female genital prolapse3
N82Fistulae involving female genital tract1
N83Noninflammatory disorders of ovary, fallopian tube and broad ligament15
N84Polyp of female genital tract1
N85Other noninflammatory disorders of uterus, except cervix2
N87Dysplasia of cervix uteri1
N88Other noninflammatory disorders of cervix uteri1
N89Other noninflammatory disorders of vagina2
N90Other noninflammatory disorders of vulva and perineum4
N91Absent, scanty and rare menstruation2
N92Excessive, frequent and irregular menstruation1
N93Other abnormal uterine and vaginal bleeding1
N94Pain and other conditions associated with female genital organs and menstrual cycle4
N95Menopausal and other perimenopausal disorders1
N97Female infertility1
N98Complications associated with artificial fertilization1
N99Intraoperative and postprocedural complications and disorders of genitourinary system, not elsewhere classified9
O00Ectopic pregnancy7
O01Hydatidiform mole1
O02Other abnormal products of conception1
O03Spontaneous abortion17
O04Complications following (induced) termination of pregnancy2
O07Failed attempted termination of pregnancy2
O08Complications following ectopic and molar pregnancy1
O09Supervision of high risk pregnancy20
O10Pre-existing hypertension complicating pregnancy, childbirth and the puerperium13
O11Pre-existing hypertension with pre-eclampsia1
O12Gestational [pregnancy-induced] edema and proteinuria without hypertension3
O13Gestational [pregnancy-induced] hypertension without significant proteinuria1
O14Pre-eclampsia9
O15Eclampsia2
O16Unspecified maternal hypertension7
O20Hemorrhage in early pregnancy1
O21Excessive vomiting in pregnancy1
O22Venous complications and hemorrhoids in pregnancy12
O23Infections of genitourinary tract in pregnancy17
O24Diabetes mellitus in pregnancy, childbirth, and the puerperium22
O25Malnutrition in pregnancy, childbirth and the puerperium1
O26Maternal care for other conditions predominantly related to pregnancy32
O28Abnormal findings on antenatal screening of mother1
O29Complications of anesthesia during pregnancy18
O30Multiple gestation42
O31Complications specific to multiple gestation55
O32Maternal care for malpresentation of fetus15
O33Maternal care for disproportion6
O34Maternal care for abnormality of pelvic organs20
O35Maternal care for known or suspected fetal abnormality and damage54
O36Maternal care for other fetal problems177
O40Polyhydramnios11
O41Other disorders of amniotic fluid and membranes110
O42Premature rupture of membranes12
O43Placental disorders20
O44Placenta previa6
O45Premature separation of placenta [abruptio placentae]14
O46Antepartum hemorrhage, not elsewhere classified14
O47False labor2
O60Preterm labor22
O61Failed induction of labor1
O62Abnormalities of forces of labor1
O63Long labor1
O64Obstructed labor due to malposition and malpresentation of fetus15
O65Obstructed labor due to maternal pelvic abnormality2
O66Other obstructed labor2
O67Labor and delivery complicated by intrapartum hemorrhage, not elsewhere classified1
O69Labor and delivery complicated by umbilical cord complications17
O70Perineal laceration during delivery2
O71Other obstetric trauma2
O74Complications of anesthesia during labor and delivery1
O75Other complications of labor and delivery, not elsewhere classified1
O77Other fetal stress complicating labor and delivery1
O86Other puerperal infections2
O87Venous complications and hemorrhoids in the puerperium1
O88Obstetric embolism5
O89Complications of anesthesia during the puerperium1
O90Complications of the puerperium, not elsewhere classified4
O91Infections of breast associated with pregnancy, the puerperium and lactation3
O92Other disorders of breast and disorders of lactation associated with pregnancy and the puerperium6
O98Maternal infectious and parasitic diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium17
O99Other maternal diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium14
O9AMaternal malignant neoplasms, traumatic injuries and abuse classifiable elsewhere but complicating pregnancy, childbirth and the puerperium10
P00Newborn affected by maternal conditions that may be unrelated to present pregnancy1
P01Newborn affected by maternal complications of pregnancy1
P02Newborn affected by complications of placenta, cord and membranes5
P03Newborn affected by other complications of labor and delivery2
P04Newborn affected by noxious substances transmitted via placenta or breast milk3
P05Disorders of newborn related to slow fetal growth and fetal malnutrition3
P07Disorders of newborn related to short gestation and low birth weight, not elsewhere classified4
P08Disorders of newborn related to long gestation and high birth weight4
P09Abnormal findings on neonatal screening9
P10Intracranial laceration and hemorrhage due to birth injury1
P11Other birth injuries to central nervous system2
P12Birth injury to scalp1
P13Birth injury to skeleton1
P14Birth injury to peripheral nervous system1
P15Other birth injuries1
P19Metabolic acidemia in newborn1
P22Respiratory distress of newborn2
P23Congenital pneumonia1
P24Neonatal aspiration1
P26Pulmonary hemorrhage originating in the perinatal period1
P27Chronic respiratory disease originating in the perinatal period1
P28Other respiratory conditions originating in the perinatal period5
P29Cardiovascular disorders originating in the perinatal period11
P35Congenital viral diseases1
P36Bacterial sepsis of newborn5
P37Other congenital infectious and parasitic diseases1
P39Other infections specific to the perinatal period1
P50Newborn affected by intrauterine (fetal) blood loss1
P51Umbilical hemorrhage of newborn1
P52Intracranial nontraumatic hemorrhage of newborn2
P54Other neonatal hemorrhages1
P55Hemolytic disease of newborn1
P56Hydrops fetalis due to hemolytic disease2
P57Kernicterus1
P58Neonatal jaundice due to other excessive hemolysis1
P59Neonatal jaundice from other and unspecified causes4
P61Other perinatal hematological disorders1
P70Transitory disorders of carbohydrate metabolism specific to newborn7
P71Transitory neonatal disorders of calcium and magnesium metabolism7
P72Other transitory neonatal endocrine disorders5
P74Other transitory neonatal electrolyte and metabolic disturbances17
P76Other intestinal obstruction of newborn1
P77Necrotizing enterocolitis of newborn1
P78Other perinatal digestive system disorders1
P80Hypothermia of newborn3
P81Other disturbances of temperature regulation of newborn3
P83Other conditions of integument specific to newborn13
P91Other disturbances of cerebral status of newborn4
P92Feeding problems of newborn1
P93Reactions and intoxications due to drugs administered to newborn2
P94Disorders of muscle tone of newborn5
P95Stillbirth1
P96Other conditions originating in the perinatal period8
Q01Encephalocele1
Q03Congenital hydrocephalus1
Q04Other congenital malformations of brain1
Q05Spina bifida2
Q06Other congenital malformations of spinal cord1
Q07Other congenital malformations of nervous system1
Q12Congenital lens malformations1
Q13Congenital malformations of anterior segment of eye1
Q14Congenital malformations of posterior segment of eye1
Q15Other congenital malformations of eye1
Q16Congenital malformations of ear causing impairment of hearing1
Q17Other congenital malformations of ear1
Q18Other congenital malformations of face and neck1
Q20Congenital malformations of cardiac chambers and connections1
Q21Congenital malformations of cardiac septa4
Q22Congenital malformations of pulmonary and tricuspid valves1
Q23Congenital malformations of aortic and mitral valves1
Q24Other congenital malformations of heart1
Q25Congenital malformations of great arteries2
Q26Congenital malformations of great veins2
Q27Other congenital malformations of peripheral vascular system2
Q28Other congenital malformations of circulatory system1
Q30Congenital malformations of nose1
Q31Congenital malformations of larynx1
Q33Congenital malformations of lung1
Q34Other congenital malformations of respiratory system1
Q35Cleft palate1
Q37Cleft palate with cleft lip2
Q39Congenital malformations of esophagus1
Q40Other congenital malformations of upper alimentary tract2
Q41Congenital absence, atresia and stenosis of small intestine1
Q42Congenital absence, atresia and stenosis of large intestine1
Q43Other congenital malformations of intestine1
Q44Congenital malformations of gallbladder, bile ducts and liver1
Q45Other congenital malformations of digestive system1
Q51Congenital malformations of uterus and cervix2
Q52Other congenital malformations of female genitalia5
Q53Undescended and ectopic testicle4
Q54Hypospadias1
Q55Other congenital malformations of male genital organs3
Q56Indeterminate sex and pseudohermaphroditism2
Q60Renal agenesis and other reduction defects of kidney2
Q61Cystic kidney disease3
Q62Congenital obstructive defects of renal pelvis and congenital malformations of ureter2
Q63Other congenital malformations of kidney1
Q64Other congenital malformations of urinary system4
Q65Congenital deformities of hip5
Q66Congenital deformities of feet13
Q68Other congenital musculoskeletal deformities1
Q69Polydactyly1
Q70Syndactyly6
Q71Reduction defects of upper limb14
Q72Reduction defects of lower limb15
Q73Reduction defects of unspecified limb4
Q74Other congenital malformations of limb(s)1
Q75Other congenital malformations of skull and face bones7
Q76Congenital malformations of spine and bony thorax3
Q77Osteochondrodysplasia with defects of growth of tubular bones and spine1
Q78Other osteochondrodysplasias1
Q79Congenital malformations of musculoskeletal system, not elsewhere classified2
Q80Congenital ichthyosis7
Q81Epidermolysis bullosa5
Q82Other congenital malformations of skin9
Q83Congenital malformations of breast6
Q84Other congenital malformations of integument9
Q85Phakomatoses, not elsewhere classified8
Q86Congenital malformation syndromes due to known exogenous causes, not elsewhere classified4
Q87Other specified congenital malformation syndromes affecting multiple systems18
Q89Other congenital malformations, not elsewhere classified9
Q90Down syndrome1
Q91Trisomy 18 and Trisomy 132
Q92Other trisomies and partial trisomies of the autosomes, not elsewhere classified1
Q93Monosomies and deletions from the autosomes, not elsewhere classified1
Q95Balanced rearrangements and structural markers, not elsewhere classified1
Q96Turner's syndrome1
Q97Other sex chromosome abnormalities, female phenotype, not elsewhere classified1
Q98Other sex chromosome abnormalities, male phenotype, not elsewhere classified2
Q99Other chromosome abnormalities, not elsewhere classified2
R00Abnormalities of heart beat3
R01Cardiac murmurs and other cardiac sounds1
R04Hemorrhage from respiratory passages1
R05Cough1
R06Abnormalities of breathing2
R07Pain in throat and chest1
R09Other symptoms and signs involving the circulatory and respiratory system1
R10Abdominal and pelvic pain8
R11Nausea and vomiting2
R13Aphagia and dysphagia1
R17Unspecified jaundice1
R19Other symptoms and signs involving the digestive system and abdomen3
R20Disturbances of skin sensation1
R22Localized swelling, mass and lump of skin and subcutaneous tissue3
R23Other skin changes1
R25Abnormal involuntary movements2
R26Abnormalities of gait and mobility1
R27Other lack of coordination2
R29Other symptoms and signs involving the nervous and musculoskeletal systems3
R30Pain associated with micturition1
R31Hematuria1
R32Unspecified urinary incontinence1
R33Retention of urine1
R36Urethral discharge1
R37Sexual dysfunction, unspecified1
R39Other and unspecified symptoms and signs involving the genitourinary system3
R40Somnolence, stupor and coma20
R41Other symptoms and signs involving cognitive functions and awareness3
R43Disturbances of smell and taste1
R44Other symptoms and signs involving general sensations and perceptions2
R45Symptoms and signs involving emotional state2
R47Speech disturbances, not elsewhere classified1
R48Dyslexia and other symbolic dysfunctions, not elsewhere classified1
R49Voice and resonance disorders1
R50Fever of other and unknown origin1
R51Headache1
R52Pain, unspecified1
R53Malaise and fatigue1
R56Convulsions, not elsewhere classified1
R57Shock, not elsewhere classified1
R59Enlarged lymph nodes1
R60Edema, not elsewhere classified1
R62Lack of expected normal physiological development in childhood and adults2
R63Symptoms and signs concerning food and fluid intake1
R68Other general symptoms and signs1
R69Illness, unspecified1
R73Elevated blood glucose level1
R74Abnormal serum enzyme levels1
R76Other abnormal immunological findings in serum1
R77Other abnormalities of plasma proteins1
R78Findings of drugs and other substances, not normally found in blood1
R79Other abnormal findings of blood chemistry1
R80Proteinuria3
R82Other and unspecified abnormal findings in urine3
R83Abnormal findings in cerebrospinal fluid1
R84Abnormal findings in specimens from respiratory organs and thorax1
R85Abnormal findings in specimens from digestive organs and abdominal cavity2
R86Abnormal findings in specimens from male genital organs1
R87Abnormal findings in specimens from female genital organs3
R89Abnormal findings in specimens from other organs, systems and tissues1
R90Abnormal findings on diagnostic imaging of central nervous system1
R92Abnormal and inconclusive findings on diagnostic imaging of breast1
R93Abnormal findings on diagnostic imaging of other body structures2
R94Abnormal results of function studies2
S00Superficial injury of head137
S01Open wound of head145
S02Fracture of skull and facial bones200
S03Dislocation and sprain of joints and ligaments of head12
S04Injury of cranial nerve52
S05Injury of eye and orbit49
S06Intracranial injury229
S07Crushing injury of head4
S08Avulsion and traumatic amputation of part of head8
S09Other and unspecified injuries of head48
S10Superficial injury of neck42
S11Open wound of neck49
S12Fracture of cervical vertebra and other parts of neck199
S13Dislocation and sprain of joints and ligaments at neck level18
S14Injury of nerves and spinal cord at neck level62
S15Injury of blood vessels at neck level104
S16Injury of muscle, fascia and tendon at neck level4
S17Crushing injury of neck4
S19Other specified and unspecified injuries of neck9
S20Superficial injury of thorax167
S21Open wound of thorax190
S22Fracture of rib(s), sternum and thoracic spine120
S23Dislocation and sprain of joints and ligaments of thorax22
S24Injury of nerves and spinal cord at thorax level42
S25Injury of blood vessels of thorax138
S26Injury of heart25
S27Injury of other and unspecified intrathoracic organs84
S28Crushing injury of thorax, and traumatic amputation of part of thorax8
S29Other and unspecified injuries of thorax30
S30Superficial injury of abdomen, lower back, pelvis and external genitals94
S31Open wound of abdomen, lower back, pelvis and external genitals275
S32Fracture of lumbar spine and pelvis369
S33Dislocation and sprain of joints and ligaments of lumbar spine and pelvis18
S34Injury of lumbar and sacral spinal cord and nerves at abdomen, lower back and pelvis level43
S35Injury of blood vessels at abdomen, lower back and pelvis level118
S36Injury of intra-abdominal organs177
S37Injury of urinary and pelvic organs149
S38Crushing injury and traumatic amputation of abdomen, lower back, pelvis and external genitals9
S39Other and unspecified injuries of abdomen, lower back, pelvis and external genitals31
S40Superficial injury of shoulder and upper arm83
S41Open wound of shoulder and upper arm66
S42Fracture of shoulder and upper arm668
S43Dislocation and sprain of joints and ligaments of shoulder girdle227
S44Injury of nerves at shoulder and upper arm level41
S45Injury of blood vessels at shoulder and upper arm level145
S46Injury of muscle, fascia and tendon at shoulder and upper arm level178
S47Crushing injury of shoulder and upper arm4
S48Traumatic amputation of shoulder and upper arm43
S49Other and unspecified injuries of shoulder and upper arm132
S50Superficial injury of elbow and forearm83
S51Open wound of elbow and forearm66
S52Fracture of forearm1,239
S53Dislocation and sprain of joints and ligaments of elbow159
S54Injury of nerves at forearm level33
S55Injury of blood vessels at forearm level124
S56Injury of muscle, fascia and tendon at forearm level284
S57Crushing injury of elbow and forearm8
S58Traumatic amputation of elbow and forearm43
S59Other and unspecified injuries of elbow and forearm207
S60Superficial injury of wrist, hand and fingers237
S61Open wound of wrist, hand and fingers254
S62Fracture at wrist and hand level682
S63Dislocation and sprain of joints and ligaments at wrist and hand level529
S64Injury of nerves at wrist and hand level38
S65Injury of blood vessels at wrist and hand level218
S66Injury of muscle, fascia and tendon at wrist and hand level324
S67Crushing injury of wrist, hand and fingers34
S68Traumatic amputation of wrist, hand and fingers54
S69Other and unspecified injuries of wrist, hand and finger(s)18
S70Superficial injury of hip and thigh83
S71Open wound of hip and thigh66
S72Fracture of femur1,188
S73Dislocation and sprain of joint and ligaments of hip82
S74Injury of nerves at hip and thigh level29
S75Injury of blood vessels at hip and thigh level136
S76Injury of muscle, fascia and tendon at hip and thigh level178
S77Crushing injury of hip and thigh12
S78Traumatic amputation of hip and thigh43
S79Other and unspecified injuries of hip and thigh129
S80Superficial injury of knee and lower leg83
S81Open wound of knee and lower leg66
S82Fracture of lower leg, including ankle1,309
S83Dislocation and sprain of joints and ligaments of knee242
S84Injury of nerves at lower leg level29
S85Injury of blood vessels at lower leg level247
S86Injury of muscle, fascia and tendon at lower leg level178
S87Crushing injury of lower leg8
S88Traumatic amputation of lower leg43
S89Other and unspecified injuries of lower leg218
S90Superficial injury of ankle, foot and toes172
S91Open wound of ankle, foot and toes244
S92Fracture of foot and toe, except ankle698
S93Dislocation and sprain of joints and ligaments at ankle, foot and toe level237
S94Injury of nerves at ankle and foot level33
S95Injury of blood vessels at ankle and foot level124
S96Injury of muscle and tendon at ankle and foot level153
S97Crushing injury of ankle and foot29
S98Traumatic amputation of ankle and foot67
S99Other and unspecified injuries of ankle and foot231
T07Unspecified multiple injuries4
T14Injury of unspecified body region13
T15Foreign body on external eye25
T16Foreign body in ear4
T17Foreign body in respiratory tract82
T18Foreign body in alimentary tract13
T19Foreign body in genitourinary tract4
T20Burn and corrosion of head, face, and neck140
T21Burn and corrosion of trunk98
T22Burn and corrosion of shoulder and upper limb, except wrist and hand384
T23Burn and corrosion of wrist and hand506
T24Burn and corrosion of lower limb, except ankle and foot306
T25Burn and corrosion of ankle and foot202
T26Burn and corrosion confined to eye and adnexa58
T27Burn and corrosion of respiratory tract8
T28Burn and corrosion of other internal organs18
T30Burn and corrosion, body region unspecified3
T33Superficial frostbite45
T34Frostbite with tissue necrosis45
T36Poisoning by, adverse effect of and underdosing of systemic antibiotics25
T37Poisoning by, adverse effect of and underdosing of other systemic anti-infectives and antiparasitics25
T38Poisoning by, adverse effect of and underdosing of hormones and their synthetic substitutes and antagonists, not elsewhere classified52
T39Poisoning by, adverse effect of and underdosing of nonopioid analgesics, antipyretics and antirheumatics25
T40Poisoning by, adverse effect of and underdosing of narcotics and psychodysleptics [hallucinogens]52
T41Poisoning by, adverse effect of and underdosing of anesthetics and therapeutic gases51
T42Poisoning by, adverse effect of and underdosing of antiepileptic, sedative- hypnotic and antiparkinsonism drugs25
T43Poisoning by, adverse effect of and underdosing of psychotropic drugs, not elsewhere classified102
T44Poisoning by, adverse effect of and underdosing of drugs primarily affecting the autonomic nervous system26
T45Poisoning by, adverse effect of and underdosing of primarily systemic and hematological agents, not elsewhere classified50
T46Poisoning by, adverse effect of and underdosing of agents primarily affecting the cardiovascular system26
T47Poisoning by, adverse effect of and underdosing of agents primarily affecting the gastrointestinal system25
T48Poisoning by, adverse effect of and underdosing of agents primarily acting on smooth and skeletal muscles and the respiratory system52
T49Poisoning by, adverse effect of and underdosing of topical agents primarily affecting skin and mucous membrane and by ophthalmological, otorhinorlaryngological and dental drugs25
T50Poisoning by, adverse effect of and underdosing of diuretics and other and unspecified drugs, medicaments and biological substances52
T51Toxic effect of alcohol17
T52Toxic effect of organic solvents17
T53Toxic effect of halogen derivatives of aliphatic and aromatic hydrocarbons17
T54Toxic effect of corrosive substances17
T56Toxic effect of metals17
T57Toxic effect of other inorganic substances17
T58Toxic effect of carbon monoxide17
T59Toxic effect of other gases, fumes and vapors17
T60Toxic effect of pesticides17
T61Toxic effect of noxious substances eaten as seafood17
T62Toxic effect of other noxious substances eaten as food17
T63Toxic effect of contact with venomous animals and plants51
T65Toxic effect of other and unspecified substances18
T66Radiation sickness, unspecified4
T67Effects of heat and light8
T69Other effects of reduced temperature12
T70Effects of air pressure and water pressure9
T71Asphyxiation8
T73Effects of other deprivation4
T74Adult and child abuse, neglect and other maltreatment, confirmed9
T75Other and unspecified effects of other external causes13
T76Adult and child abuse, neglect and other maltreatment, suspected9
T78Adverse effects, not elsewhere classified29
T79Certain early complications of trauma, not elsewhere classified16
T80Complications following infusion, transfusion and therapeutic injection50
T81Complications of procedures, not elsewhere classified85
T82Complications of cardiac and vascular prosthetic devices, implants and grafts48
T83Complications of genitourinary prosthetic devices, implants and grafts4
T84Complications of internal orthopedic prosthetic devices, implants and grafts56
T85Complications of other internal prosthetic devices, implants and grafts4
T86Complications of transplanted organs and tissue25
T87Complications peculiar to reattachment and amputation6
T88Other complications of surgical and medical care, not elsewhere classified8
U09Post COVID-19 condition1
V01Pedestrian injured in collision with pedal cycle26
V02Pedestrian injured in collision with two- or three-wheeled motor vehicle26
V03Pedestrian injured in collision with car, pick-up truck or van26
V04Pedestrian injured in collision with heavy transport vehicle or bus26
V05Pedestrian injured in collision with railway train or railway vehicle26
V06Pedestrian injured in collision with other nonmotor vehicle26
V09Pedestrian injured in other and unspecified transport accidents23
V10Pedal cycle rider injured in collision with pedestrian or animal8
V11Pedal cycle rider injured in collision with other pedal cycle8
V12Pedal cycle rider injured in collision with two- or three-wheeled motor vehicle8
V13Pedal cycle rider injured in collision with car, pick-up truck or van8
V14Pedal cycle rider injured in collision with heavy transport vehicle or bus8
V15Pedal cycle rider injured in collision with railway train or railway vehicle8
V16Pedal cycle rider injured in collision with other nonmotor vehicle8
V17Pedal cycle rider injured in collision with fixed or stationary object8
V18Pedal cycle rider injured in noncollision transport accident8
V19Pedal cycle rider injured in other and unspecified transport accidents47
V20Motorcycle rider injured in collision with pedestrian or animal18
V21Motorcycle rider injured in collision with pedal cycle18
V22Motorcycle rider injured in collision with two- or three-wheeled motor vehicle18
V23Motorcycle rider injured in collision with car, pick-up truck or van18
V24Motorcycle rider injured in collision with heavy transport vehicle or bus18
V25Motorcycle rider injured in collision with railway train or railway vehicle18
V26Motorcycle rider injured in collision with other nonmotor vehicle18
V27Motorcycle rider injured in collision with fixed or stationary object18
V28Motorcycle rider injured in noncollision transport accident18
V29Motorcycle rider injured in other and unspecified transport accidents97
V30Occupant of three-wheeled motor vehicle injured in collision with pedestrian or animal8
V31Occupant of three-wheeled motor vehicle injured in collision with pedal cycle8
V32Occupant of three-wheeled motor vehicle injured in collision with two- or three-wheeled motor vehicle8
V33Occupant of three-wheeled motor vehicle injured in collision with car, pick-up truck or van8
V34Occupant of three-wheeled motor vehicle injured in collision with heavy transport vehicle or bus8
V35Occupant of three-wheeled motor vehicle injured in collision with railway train or railway vehicle8
V36Occupant of three-wheeled motor vehicle injured in collision with other nonmotor vehicle8
V37Occupant of three-wheeled motor vehicle injured in collision with fixed or stationary object8
V38Occupant of three-wheeled motor vehicle injured in noncollision transport accident8
V39Occupant of three-wheeled motor vehicle injured in other and unspecified transport accidents47
V40Car occupant injured in collision with pedestrian or animal8
V41Car occupant injured in collision with pedal cycle8
V42Car occupant injured in collision with two- or three-wheeled motor vehicle8
V43Car occupant injured in collision with car, pick-up truck or van34
V44Car occupant injured in collision with heavy transport vehicle or bus8
V45Car occupant injured in collision with railway train or railway vehicle8
V46Car occupant injured in collision with other nonmotor vehicle8
V47Car occupant injured in collision with fixed or stationary object8
V48Car occupant injured in noncollision transport accident8
V49Car occupant injured in other and unspecified transport accidents47
V50Occupant of pick-up truck or van injured in collision with pedestrian or animal8
V51Occupant of pick-up truck or van injured in collision with pedal cycle8
V52Occupant of pick-up truck or van injured in collision with two- or three-wheeled motor vehicle8
V53Occupant of pick-up truck or van injured in collision with car, pick-up truck or van8
V54Occupant of pick-up truck or van injured in collision with heavy transport vehicle or bus8
V55Occupant of pick-up truck or van injured in collision with railway train or railway vehicle8
V56Occupant of pick-up truck or van injured in collision with other nonmotor vehicle8
V57Occupant of pick-up truck or van injured in collision with fixed or stationary object8
V58Occupant of pick-up truck or van injured in noncollision transport accident8
V59Occupant of pick-up truck or van injured in other and unspecified transport accidents47
V60Occupant of heavy transport vehicle injured in collision with pedestrian or animal8
V61Occupant of heavy transport vehicle injured in collision with pedal cycle8
V62Occupant of heavy transport vehicle injured in collision with two- or three-wheeled motor vehicle8
V63Occupant of heavy transport vehicle injured in collision with car, pick-up truck or van8
V64Occupant of heavy transport vehicle injured in collision with heavy transport vehicle or bus8
V65Occupant of heavy transport vehicle injured in collision with railway train or railway vehicle8
V66Occupant of heavy transport vehicle injured in collision with other nonmotor vehicle8
V67Occupant of heavy transport vehicle injured in collision with fixed or stationary object8
V68Occupant of heavy transport vehicle injured in noncollision transport accident8
V69Occupant of heavy transport vehicle injured in other and unspecified transport accidents47
V70Bus occupant injured in collision with pedestrian or animal8
V71Bus occupant injured in collision with pedal cycle8
V72Bus occupant injured in collision with two- or three-wheeled motor vehicle8
V73Bus occupant injured in collision with car, pick-up truck or van8
V74Bus occupant injured in collision with heavy transport vehicle or bus8
V75Bus occupant injured in collision with railway train or railway vehicle8
V76Bus occupant injured in collision with other nonmotor vehicle8
V77Bus occupant injured in collision with fixed or stationary object8
V78Bus occupant injured in noncollision transport accident8
V79Bus occupant injured in other and unspecified transport accidents47
V80Animal-rider or occupant of animal-drawn vehicle injured in transport accident11
V81Occupant of railway train or railway vehicle injured in transport accident4
V82Occupant of powered streetcar injured in transport accident4
V83Occupant of special vehicle mainly used on industrial premises injured in transport accident8
V84Occupant of special vehicle mainly used in agriculture injured in transport accident8
V85Occupant of special construction vehicle injured in transport accident8
V86Occupant of special all-terrain or other off-road motor vehicle, injured in transport accident58
V89Motor- or nonmotor-vehicle accident, type of vehicle unspecified21
V90Drowning and submersion due to accident to watercraft20
V91Other injury due to accident to watercraft20
V92Drowning and submersion due to accident on board watercraft, without accident to watercraft12
V93Other injury due to accident on board watercraft, without accident to watercraft32
V94Other and unspecified water transport accidents5
V95Accident to powered aircraft causing injury to occupant24
V96Accident to nonpowered aircraft causing injury to occupant16
V99Unspecified transport accident4
W00Fall due to ice and snow4
W01Fall on same level from slipping, tripping and stumbling8
W10Fall on and from stairs and steps4
W16Fall, jump or diving into water18
W18Other slipping, tripping and stumbling and falls13
W19Unspecified fall4
W21Striking against or struck by sports equipment8
W22Striking against or struck by other objects4
W26Contact with other sharp objects4
W30Contact with agricultural machinery4
W31Contact with other and unspecified machinery5
W33Accidental rifle, shotgun and larger firearm discharge and malfunction8
W34Accidental discharge and malfunction from other and unspecified firearms and guns11
W36Explosion and rupture of gas cylinder4
W40Explosion of other materials4
W44Foreign body entering into or through a natural orifice36
W74Unspecified cause of accidental drowning and submersion4
W89Exposure to man-made visible and ultraviolet light4
X08Exposure to other specified smoke, fire and flames12
X37Cataclysmic storm4
X50Overexertion and strenuous or repetitive movements4
X58Exposure to other specified factors1
X71Intentional self-harm by drowning and submersion4
X73Intentional self-harm by rifle, shotgun and larger firearm discharge4
X74Intentional self-harm by other and unspecified firearm and gun discharge5
X77Intentional self-harm by steam, hot vapors and hot objects4
X78Intentional self-harm by sharp object4
X92Assault by drowning and submersion4
X94Assault by rifle, shotgun and larger firearm discharge4
X95Assault by other and unspecified firearm and gun discharge5
X96Assault by explosive material4
X98Assault by steam, hot vapors and hot objects4
X99Assault by sharp object4
Y07Perpetrator of assault, maltreatment and neglect4
Y09Assault by unspecified means1
Y21Drowning and submersion, undetermined intent4
Y23Rifle, shotgun and larger firearm discharge, undetermined intent4
Y24Other and unspecified firearm discharge, undetermined intent5
Y27Contact with steam, hot vapors and hot objects, undetermined intent4
Y28Contact with sharp object, undetermined intent4
Y35Legal intervention170
Y36Operations of war63
Y37Military operations54
Y38Terrorism5
Y62Failure of sterile precautions during surgical and medical care1
Y63Failure in dosage during surgical and medical care1
Y64Contaminated medical or biological substances1
Y69Unspecified misadventure during surgical and medical care1
Y82Other and unspecified medical devices associated with adverse incidents2
Y83Surgical operation and other surgical procedures as the cause of abnormal reaction of the patient, or of later complication, without mention of misadventure at the time of the procedure1
Y84Other medical procedures as the cause of abnormal reaction of the patient, or of later complication, without mention of misadventure at the time of the procedure1
Y92Place of occurrence of the external cause25
Y93Activity codes1
Y99External cause status1
Z02Encounter for administrative examination1
Z04Encounter for examination and observation for other reasons1
Z05Encounter for observation and evaluation of newborn for suspected diseases and conditions ruled out1
Z11Encounter for screening for infectious and parasitic diseases1
Z12Encounter for screening for malignant neoplasms2
Z13Encounter for screening for other diseases and disorders3
Z16Resistance to antimicrobial drugs3
Z18Retained foreign body fragments2
Z20Contact with and (suspected) exposure to communicable diseases1
Z22Carrier of infectious disease3
Z28Immunization not carried out and underimmunization status3
Z29Encounter for other prophylactic measures1
Z30Encounter for contraceptive management3
Z31Encounter for procreative management1
Z34Encounter for supervision of normal pregnancy7
Z36Encounter for antenatal screening of mother1
Z37Outcome of delivery3
Z38Liveborn infants according to place of birth and type of delivery3
Z3AWeeks of gestation1
Z40Encounter for prophylactic surgery2
Z41Encounter for procedures for purposes other than remedying health state1
Z43Encounter for attention to artificial openings1
Z44Encounter for fitting and adjustment of external prosthetic device15
Z45Encounter for adjustment and management of implanted device2
Z46Encounter for fitting and adjustment of other devices1
Z52Donors of organs and tissues8
Z53Persons encountering health services for specific procedures and treatment, not carried out3
Z55Problems related to education and literacy1
Z56Problems related to employment and unemployment2
Z57Occupational exposure to risk factors1
Z59Problems related to housing and economic circumstances5
Z60Problems related to social environment1
Z62Problems related to upbringing2
Z63Other problems related to primary support group, including family circumstances1
Z65Problems related to other psychosocial circumstances1
Z67Blood type3
Z70Counseling related to sexual attitude, behavior and orientation1
Z71Persons encountering health services for other counseling and medical advice, not elsewhere classified1
Z72Problems related to lifestyle1
Z73Problems related to life management difficulty2
Z74Problems related to care provider dependency1
Z75Problems related to medical facilities and other health care1
Z79Long term (current) drug therapy1
Z80Family history of primary malignant neoplasm1
Z83Family history of other specific disorders1
Z85Personal history of malignant neoplasm7
Z86Personal history of certain other diseases3
Z88Allergy status to drugs, medicaments and biological substances1
Z89Acquired absence of limb20
Z90Acquired absence of organs, not elsewhere classified1
Z91Personal risk factors, not elsewhere classified6
Z92Personal history of medical treatment1
Z93Artificial opening status2
Z94Transplanted organ and tissue status1
Z95Presence of cardiac and vascular implants and grafts4
Z96Presence of other functional implants9
Z97Presence of other devices1
Z98Other postprocedural states1

The info icon previews the first unspecified codes codes in each block; the block link opens the complete list in the tabular index.

Questions About This Page

How many unspecified codes codes are there in FY 2026?

The FY 2026 dataset contains 30,368 unspecified codes codes across 1,489 code blocks, 24,857 of them billable.

Why does this page list blocks instead of every code?

Because every block already has a complete, filterable code page in the tabular index. This list gets you to the right block fast; the block page carries every code with its notations and details.

Which block has the most unspecified codes codes?

Fracture of lower leg, including ankle (S82) is the largest with 1,309 codes.

Related References

Source: official CMS FY 2026 ICD-10-CM release, effective October 1, 2025 through September 30, 2026.