cardiac see Disease, heart
due to
CADASIL (cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy)Code I67.850 Café, au lait spotsCode L81.3 Caffeine-inducedSub-entries
Caffey's syndromeCode Q78.8 Caisson diseaseCode T70.3 Non-billable Caked breast (puerperal, postpartum)Code O92.79 Calabar swellingCode B74.3 Calcaneal spurCross-ref See: Spur, bone, calcaneal
Calcaneo-apophysitisCode M92.6 Non-billable CalcareousCross-ref See: condition Calciferol (vitamin D) deficiencySub-entries E55.9 adrenal (capsule) (gland)
E27.49 arterial
CalcifiedCross-ref See: Calcification Calcinosis (interstitial) (tumoral) (universalis)Sub-entries E83.59 with Raynaud's phenomenon, esophageal dysfunction, sclerodactyly, telangiectasia (CREST syndrome)
M34.1 circumscripta (skin)
L94.2 CalciphylaxisCode E83.59 See also: Calcification, by site CalciumSub-entries
deposits see Calcification, by site
salts or soaps in vitreous see Deposit, crystalline
CalculiCross-ref See: Calculus
Calculosis, intrahepaticCross-ref See: Calculus, bile duct
ampulla of Vater see Calculus, bile duct
anuria (impacted) (recurrent)
N20.9 see also Calculus, urinarybile duct (common) (hepatic)
K80.50 CaliforniaSub-entries
Caligo corneaCross-ref See: Opacity, cornea, central
Callositas, callosity (infected)Code L84 Callus (infected)Sub-entries L84 bone see Osteophyte
excessive, following fracture - code as Sequelae of fracture
CALME (childhood asymmetric labium majus enlargement)Code N90.61 Calorie deficiency or malnutritionCode E46 See also: Malnutrition Calpainopathy (primary)Sub-entries G71.032 Calvé-Perthes diseaseCross-ref See: Legg-Calvé-Perthes disease
CalvitiesCross-ref See: Alopecia, androgenic
Cameroon feverCross-ref See: Malaria
Camptocormia (hysterical)Code F44.4 Camurati-Engelmann syndromeCode Q78.3 CanalSub-entries see also condition Canaliculitis (lacrimal) (acute) (subacute)Sub-entries H04.33 Non-billable Canavan diseaseCode E75.28 because of
left against medical advice (AMA)
Z53.29 CancerSub-entries see also Neoplasm, by site, malignant bile duct type liver
C22.1 blood see Leukemia
breast
C50.91 Non-billable see also Neoplasm, breast, malignantCancer (o)phobiaCode F45.29 CancerousCross-ref See: Neoplasm, malignant, by site
CandidosisCross-ref See: Candidiasis
Candiru infection or infestationCode B88.8 Canities (premature)Sub-entries L67.1 Canker (mouth) (sore)Sub-entries K12.0 Cannabis inducedSub-entries
Cantrell's syndromeCode Q87.89 Capillariasis (intestinal)Sub-entries B81.1 CapillaryCross-ref See: condition Caplan's syndromeCross-ref See: Rheumatoid, lung CapsuleCross-ref See: condition Capsulitis (joint)Sub-entries see also Enthesopathy
adhesive (shoulder)
M75.0 Non-billablelabyrinthine see Otosclerosis, specified NEC
CaputSub-entries
Car sicknessCode T75.3 Non-billable Carapata (disease)Code A68.0 CarateCross-ref See: Pinta auditory canal, external see Abscess, ear, external
auricle ear see Abscess, ear, external
CarbunculusCross-ref See: Carbuncle Carcinoid (tumor)Cross-ref See: Tumor, carcinoid CarcinoidosisSub-entries E34.00 Carcinoma (malignant)Sub-entries see also Neoplasm, by site, malignant acidophil
specified site see Neoplasm, malignant, by site
acidophil-basophil, mixed
Carcinoma-in-situSub-entries see also Neoplasm, in situ, by site breast NOS
D05.9 Non-billablespecified type NEC
D05.8 Non-billableepidermoid see also Neoplasm, in situ, by site
with questionable stromal invasion
CarcinomaphobiaCode F45.29 CarcinomatosisSub-entries C80.0 unspecified site (primary) (secondary)
C80.0 CarcinosarcomaSub-entries see Neoplasm, malignant, by site
embryonal see Neoplasm, malignant, by site
Cardia, cardialCross-ref See: condition CardiacSub-entries see also condition death, sudden see Arrest, cardiac
pacemaker
CardialgiaCross-ref See: Pain, precordial
CardiectasisCross-ref See: Hypertrophy, cardiac
Cardiomegalia glycogenica diffusaCode E74.02 CardiomegalySub-entries see also Hypertrophy, cardiac
CardiomyoliposisCode I51.5 transthyretin-related (ATTR) familial
E85.4 arteriosclerotic see Disease, heart, ischemic, atherosclerotic
CardionephritisCross-ref See: Hypertension, cardiorenal
CardionephropathyCross-ref See: Hypertension, cardiorenal
CardionephrosisCross-ref See: Hypertension, cardiorenal
Cardiopathia nigraCode I27.0 CardiopathySub-entries I51.9 see also Disease, heart mucopolysaccharidosis
E76.3 CardiopericarditisCross-ref See: Pericarditis
CardiorenalCross-ref See: condition CardiorrhexisCross-ref See: Infarct, myocardium
CardiosclerosisCross-ref See: Disease, heart, ischemic, atherosclerotic
CardiosisCross-ref See: Disease, heart
Cardiospasm (esophagus) (reflex) (stomach)Sub-entries K22.0 CardiostenosisCross-ref See: Disease, heart
CardiosymphysisCode I31.0 CardiovascularCross-ref See: condition Carditis (acute) (bacterial) (chronic) (subacute)Sub-entries I51.89 rheumatic see Disease, heart, rheumatic
rheumatoid see Rheumatoid, carditis
family member (handicapped) (sick)
creating problem for family
Z63.6 provided away from home for holiday relief
Z75.5 dental (dentino enamel junction) (early childhood) (of dentine) (pre-eruptive) (recurrent) (to the pulp)
K02.9 arrested (coronal) (root)
K02.3 chewing surface
Carious teethCross-ref See: Caries, dental Carnitine insufficiencyCode E71.40 Carotenemia (dietary)Code E67.1 Carotenosis (cutis) (skin)Code E67.1 Carotid body or sinus syndromeCode G90.01 Carpal tunnel syndromeCross-ref See: Syndrome, carpal tunnel Carpenter's syndromeCode Q87.0 Carpopedal spasmCross-ref See: Tetany
Carr-Barr-Plunkett syndromeCode Q97.1 Carrion's diseaseCode A44.0 Carter's relapsing fever (Asiatic)Code A68.1 CartilageCross-ref See: condition conjunctiva (acute) see Conjunctivitis, acute
lacrimal see Inflammation, lacrimal, passages
Cascade stomachCode K31.2 Caseation lymphatic gland (tuberculous)Code A18.2 Cassidy (-Scholte) syndrome (malignant carcinoid)Code E34.09 Castellani's diseaseCode A69.8 Castration, traumatic, maleCode S38.231 Non-billable Casts in urineCode R82.998 CatSub-entries
Catabolism, senileCode R54 Catalepsy (hysterical)Sub-entries F44.2 Cataplexy (idiopathic)Cross-ref See: - Narcolepsy with
neovascularization see Cataract, complicated
age-related see Cataract, senile
anterior
CataractaSub-entries see also Cataract brunescens see Cataract, senile, nuclear
centralis pulverulenta
Q12.0 complicata see Cataract, complicated
bronchial see Bronchitis
chest see Bronchitis
due to congenital syphilis
A50.03 Catatonia (schizophrenic)Code F20.2 CatatonicSub-entries
disorder due to known physiologic condition
F06.1 Cat-scratchSub-entries see also Abrasion
Cauda equinaCross-ref See: condition Cauliflower earCode M95.1 Non-billable Causalgia (upper limb)Sub-entries G56.4 Non-billable lower limb
G57.7 Non-billableCauseSub-entries
external, general effects
T75.89 Non-billableCaustic burnCross-ref See: Corrosion, by site
Cavare's disease (familial periodic paralysis)Code G72.3 Cave-in, injurySub-entries
crushing (severe) see Crush
suffocation see Asphyxia, traumatic, due to low oxygen, due to cave-in
Cavernitis (penis)Code N48.29 CavernousCross-ref See: condition Cavitation of lungSub-entries see also Tuberculosis, pulmonary
Cavities, dentalCross-ref See: Caries, dental CavitySub-entries
lung see Cavitation of lung
pulmonary see Cavitation of lung
Cazenave's diseaseCode L10.2 CCCA (central centrifugal cicatricial alopecia)Code L66.81 CDKL5 (Cyclin-Dependent Kinase-Like 5 Deficiency Disorder)Code G40.42 with perforation, peritonitis, or rupture
K65.8 CecoureteroceleCode Q62.32 CecumCross-ref See: condition CeliacSub-entries
artery compression syndrome
I77.4 disease (with steatorrhea)
K90.0 Cell (s), cellularSub-entries see also condition
ankle see Cellulitis, lower limb
Cementoblastoma, benignCross-ref See: Cyst, calcifying odontogenic
CementomaCross-ref See: Cyst, calcifying odontogenic
CementoperiostitisCross-ref See: Periodontitis
Central auditory processing disorderCode H93.25 Central pain syndromeCode G89.0 Cephalematocele, cephal (o)hematoceleSub-entries
traumatic see Hematoma, brain
Cephalematoma, cephalhematoma (calcified)Sub-entries
newborn (birth injury)
P12.0 traumatic see Hematoma, brain
Cephalgia, cephalalgiaSub-entries see also Headache trigeminal autonomic (TAC) NEC
G44.099 CephalicCross-ref See: condition CephalitisCross-ref See: Encephalitis
CephaloceleCross-ref See: Encephalocele CephalopelvicCross-ref See: condition Cerclage (with cervical incompetence) in pregnancyCross-ref See: Incompetence, cervix, in pregnancy
CerebellitisCross-ref See: Encephalitis
Cerebellum, cerebellarCross-ref See: condition CerebralCross-ref See: condition CerebritisCross-ref See: Encephalitis
Cerebro-hepato-renal syndromeCode Q87.89 CerebromalaciaSub-entries see Softening, brain
sequelae of cerebrovascular disease
I69.398 Cerebroside lipidosisCode E75.22 Cerebrospasticity (congenital)Code G80.1 CerebrospinalCross-ref See: condition CerebrumCross-ref See: condition Ceroid-lipofuscinosis, neuronalCode E75.4 Cerumen (accumulation) (impacted)Code H61.2 Non-billable CervicalSub-entries see also condition dysplasia in pregnancy see Abnormal, cervix, in pregnancy or childbirth
erosion in pregnancy see Abnormal, cervix, in pregnancy or childbirth
fibrosis in pregnancy see Abnormal, cervix, in pregnancy or childbirth
with
abortion see Abortion, by type complicated by genital tract and pelvic infection
Cervicocolpitis (emphysematosa) (see also Cervicitis)Code N72 CervixCross-ref See: condition isthmocele (non-pregnant state)
N85.A Céstan (-Chenais) paralysis or syndromeCode G46.3 Céstan-Raymond syndromeCode I65.8 Cestode infestationSub-entries B71.9 CGL (congenital generalized lipodystrophy)Code E88.12 Chabert's diseaseCode A22.9 with
cardiovascular involvement NEC
B57.2 digestive system involvement
B57.30 Chalasia (cardiac sphincter)Code K21.9 ChalcosisSub-entries see also Disorder, globe, degenerative, chalcosis
cornea see Deposit, cornea
crystalline lens see Cataract, complicated
Chalicosis (pulmonum)Code J62.8 Chancroid (anus) (genital) (penis) (perineum) (rectum) (urethra) (vulva)Code A57 Chandler's disease (osteochondritis dissecans, hip)Cross-ref See: Osteochondritis, dissecans, hip Change (s) (in) (of)Sub-entries see also Removal arteriosclerotic see Arteriosclerosis
bone see also Disorder, bone
diabetic see Diabetes, bone change
Changing sleep-work schedule, affecting sleepCode G47.26 Changuinola feverCode A93.1 Chapping skinCode T69.8 Non-billable Charcot-Marie-Tooth disease, paralysis or syndromeCode G60.0 arthropathy see Arthropathy, neuropathic
disease (tabetic arthropathy)
A52.16 joint (disease) (tabetic)
A52.16 CHARGE associationCode Q89.89 Charley-horse (quadriceps)Sub-entries M62.831 traumatic (quadriceps)
S76.11 Non-billableCharlouis' diseaseCross-ref See: Yaws Cheadle's diseaseCode E54 cardiac pacemaker (battery) (electrode (s))
Z45.018 implantable subdermal contraceptive
Z30.46 intrauterine contraceptive device
Z30.431 Check-upCross-ref See: Examination
Chédiak-Higashi (-Steinbrinck) syndrome (congenital gigantism of peroxidase granules)Code E70.330 CheekCross-ref See: condition Cheese-washer's lungCode J67.8 Cheese-worker's lungCode J67.8 Cheilitis (acute) (angular) (catarrhal) (chronic) (exfoliative) (gangrenous) (glandular) (infectional) (suppurative) (ulcerative) (vesicular)Sub-entries K13.0 actinic (due to sun)
L56.8 other than from sun
L59.8 CheiloschisisCross-ref See: Cleft, lip
Cheilosis (angular)Sub-entries K13.0 due to
vitamin B2 (riboflavin) deficiency
E53.0 CheiropompholyxCode L30.1 CheloidCross-ref See: Keloid
Chemical burnCross-ref See: Corrosion, by site
Chemosis, conjunctivaCross-ref See: Edema, conjunctiva
Chemotherapy (session) (for)Sub-entries
ChestCross-ref See: condition Cheyne-Stokes breathing (respiration)Code R06.3 disease or syndrome (hepatic vein thrombosis)
I82.0 malformation
type II see Spina bifida
Chicago diseaseCode B40.9 ChickenpoxCross-ref See: Varicella Chiclero ulcer or soreCode B55.1 Chigger (infestation)Code B88.09 Chignon (disease)Sub-entries B36.8 newborn (from vacuum extraction) (birth injury)
P12.1 Chilaiditi's syndrome (subphrenic displacement, colon)Code Q43.3 Chilblain (s) (lupus)Code T69.1 Non-billable ChildSub-entries see also Problem, child
ChildbirthCross-ref See: Delivery
ChildhoodSub-entries
cerebral X-linked adrenoleukodystrophy
E71.520 period of rapid growth
Z00.2 Chill (s)Sub-entries R68.83 congestive in malarial regions
B54 ChilomastigiasisCode A07.8 Chimera 46,XX/46,XYCode Q99.0 ChinCross-ref See: condition Chinese dysenteryCode A03.9 ChlamydiosisCross-ref See: Chlamydia
ChloromaCode C92.3 Non-billable ChlorosisSub-entries D50.9 Chlorotic anemiaCode D50.8 Chocolate cyst (ovary)Code N80.10 Non-billable ChokedSub-entries
disc or disk see Papilledema
on food, phlegm, or vomitus NOS see Foreign body, by site
while vomiting NOS see Foreign body, by site
Chokes (resulting from bends)Code T70.3 Non-billable Choking sensationCode R09.89 CholangiectasisCode K83.8 CholangiocarcinomaSub-entries
with hepatocellular carcinoma, combined
C22.0 specified site NEC see Neoplasm, malignant, by site
CholangiohepatitisSub-entries K83.8 due to fluke infestation
B66.1 CholangiohepatomaCode C22.0 CholangiomaSub-entries D13.4 malignant see Cholangiocarcinoma
with calculus, bile duct see Calculus, bile duct, with cholangitis
chronic nonsuppurative destructive
K74.3 CholecystectasiaCode K82.8 with
calculus, stones in
bile duct (common) (hepatic) see Calculus, bile duct, with cholecystitis
cystic duct see Calculus, gallbladder, with cholecystitis
CholecystolithiasisCross-ref See: Calculus, gallbladder
Choledochitis (suppurative)Code K83.09 CholedocholithCross-ref See: Calculus, bile duct
Choledocholithiasis (common duct) (hepatic duct)Sub-entries see Calculus, bile duct
cystic see Calculus, gallbladder
Cholelithiasis (cystic duct) (gallbladder) (impacted) (multiple)Sub-entries see Calculus, gallbladder
bile duct (common) (hepatic) see Calculus, bile duct
hepatic duct see Calculus, bile duct
CholemiaSub-entries see also Jaundice
familial (simple) (congenital)
E80.4 Choleperitoneum, choleperitonitisCode K65.3 antimonial see Poisoning, antimony
due to Vibrio cholerae 01
A00.9 CholerineCross-ref See: Cholera
Cholestasis NECSub-entries K83.1 with hepatocyte injury
K71.0 due to total parenteral nutrition (TPN)
K76.89 external ear (canal)
H60.4 Non-billablemastoid
H71.2 Non-billablepostmastoidectomy cavity (recurrent) see Complications, postmastoidectomy, recurrent cholesteatoma
Cholesteatosis, diffuseCode H71.3 Non-billable Cholesterin in vitreousCross-ref See: Deposit, crystalline deposit
vitreous see Deposit, crystalline
Cholesterolemia (essential) (pure)Sub-entries E78.00 Cholesterolosis, cholesterosis (gallbladder)Sub-entries K82.4 Cholocolic fistulaCode K82.3 external ear
H61.03 Non-billablepatella, posttraumatic see Chondromalacia, patella
ChondroblastomaSub-entries see also Neoplasm, bone, benign
malignant see Neoplasm, bone, malignant
Chondrodermatitis nodularis helicis or anthelicisCross-ref See: Perichondritis, ear calcificans congenita
Q77.3 metaphyseal (Jansen's) (McKusick's) (Schmid's)
Q78.8 Chondrodystrophy, chondrodystrophia (familial) (fetalis) (hypoplastic)Sub-entries Q78.9 calcificans congenita
Q77.3 Chondroectodermal dysplasiaCode Q77.6 Chondrogenesis imperfectaCode Q77.4 ChondrolysisCode M94.35 Non-billable ChondromaSub-entries see also Neoplasm, cartilage, benign
juxtacortical see Neoplasm, bone, benign
periosteal see Neoplasm, bone, benign
acromioclavicular joint
M94.21 Non-billablefoot joint
M94.27 Non-billableChondromatosisSub-entries see also Neoplasm, cartilage, uncertain behavior
ChondromyxosarcomaCross-ref See: Neoplasm, cartilage, malignant
Chondro-osteodysplasia (Morquio-Brailsford type)Code E76.219 Chondro-osteodystrophyCode E76.29 Chondro-osteomaCross-ref See: Neoplasm, bone, benign
Chondropathia tuberosaCode M94.0 ChondrosarcomaSub-entries see Neoplasm, cartilage, malignant
juxtacortical see Neoplasm, bone, malignant
mesenchymal see Neoplasm, connective tissue, malignant
myxoid see Neoplasm, cartilage, malignant
Chordee (nonvenereal)Sub-entries N48.89 Chorditis (fibrinous) (nodosa) (tuberosa)Code J38.2 ChordomaCross-ref See: Neoplasm, vertebral (column), malignant
with
active or acute (conditions in I01-)
I02.0 Choreoathetosis (paroxysmal)Code G25.5 Chorioadenoma (destruens)Code D39.2 ChorioamnionitisCode O41.12 Non-billable ChoriocarcinomaSub-entries see Neoplasm, malignant, by site combined with
embryonal carcinoma see Neoplasm, malignant, by site
other germ cell elements see Neoplasm, malignant, by site
teratoma see Neoplasm, malignant, by site
Chorioencephalitis (acute) (lymphocytic) (serous)Code A87.2 ChorioepitheliomaCross-ref See: Choriocarcinoma Choriomeningitis (acute) (lymphocytic) (serous)Code A87.2 ChorionepitheliomaCross-ref See: Choriocarcinoma ChorioretinitisSub-entries see also Inflammation, chorioretinal disseminated see also Inflammation, chorioretinal, disseminated
focal see also Inflammation, chorioretinal, focal
Chorioretinopathy, central serousCode H35.71 Non-billable ChoroidCross-ref See: condition ChoroiditisCross-ref See: Chorioretinitis ChoroidopathyCross-ref See: Disorder, choroid
ChoroidoretinitisCross-ref See: Chorioretinitis Choroidoretinopathy, central serousCross-ref See: Chorioretinopathy, central serous Christian-Weber diseaseCode M35.6 Christmas diseaseCode D67 ChromaffinomaSub-entries see also Neoplasm, benign, by site
malignant see Neoplasm, malignant, by site
ChromatopsiaCross-ref See: Deficiency, color vision
Chromhidrosis, chromidrosisCode L75.1 ChromoblastomycosisCross-ref See: Chromomycosis ChromoconversionCode R82.91 ChromosomeSub-entries see condition by chromosome involved
D (1) see condition, chromosome 13
E (3) see condition, chromosome 18
G see condition, chromosome 21
ChromotrichomycosisCode B36.8 ChronicSub-entries see condition
fracture see Fracture, pathological
Churg-Strauss syndromeCode M30.1 Chyle cyst, mesenteryCode I89.8 Chylocele (nonfilarial)Sub-entries I89.8 filarial
B74.9 see also Infestation, filarialfilarial
B74.9 see also Infestation, filarialChylomicronemia (fasting) (with hyperprebetalipoproteinemia)Code E78.3 ChylopericardiumSub-entries I31.39 Chylothorax (nonfilarial)Sub-entries J94.0 filarial
B74.9 see also Infestation, filarialChylousCross-ref See: condition Cicatricial (deformity)Cross-ref See: Cicatrix
adenoid (and tonsil)
J35.8 auricle see Disorder, pinna, specified type NEC
CIDP (chronic inflammatory demyelinating polyneuropathy )Code G61.81 CINCA (chronic infantile neurological, cutaneous and articular syndrome)Code M04.2 CinchonismSub-entries see Deafness, ototoxic
correct substance properly administered see Table of Drugs and Chemicals, by drug, adverse effect
overdose or wrong substance given or taken see Table of Drugs and Chemicals, by drug, poisoning
Circle of WillisCross-ref See: condition CircularCross-ref See: condition Circulating anticoagulantsSub-entries D68.318 see also - Disorder, hemorrhagic due to drugs
D68.32 see also - Disorder, hemorrhagicfollowing childbirth
O72.3 collateral, any site
I99.8 defective (lower extremity)
I99.9 Circulatory systemCross-ref See: condition Circulus senilis (cornea)Cross-ref See: Degeneration, cornea, senile
Circumcision (in absence of medical indication) (ritual) (routine)Code Z41.2 CircumscribedCross-ref See: condition Circumvallate placentaCode O43.11 Non-billable atrophic see Cirrhosis, liver
Cistern, subarachnoidCode R93.0 Civatte's disease or poikilodermaCode L57.3 Clam digger's itchCode B65.3 ClapCross-ref See: Gonorrhea
Clarke-Hadfield syndrome (pancreatic infantilism)Code K86.89 Clark's paralysisCode G80.9 Claude Bernard-Horner syndromeSub-entries G90.2 traumatic see Injury, nerve, cervical sympathetic
Claude's disease or syndromeCode G46.3 Claudicatio venosa intermittensCode I87.8 Claudication (intermittent)Sub-entries I73.9 spinal cord (arteriosclerotic)
G95.19 ClaustrophobiaCode F40.240 Clavus (infected)Code L84 Clawhand (acquired)Sub-entries see also Deformity, limb, clawhand
Clawtoe (congenital)Sub-entries Q66.89 acquired see Deformity, toe, specified NEC
Clay eatingCross-ref See: Pica Cleansing of artificial openingCross-ref See: Attention to, artificial, opening Cleft (congenital)Sub-entries see also Imperfect, closure branchial (persistent)
Q18.2 Cleidocranial dysostosisCode Q74.0 Clicking hip (newborn)Code R29.4 Climacteric (female)Sub-entries see also Menopause arthritis (any site) NEC see Arthritis, specified form NEC
depression (single episode)
F32.89 melancholia (single episode)
F32.89 Clinical research investigation (clinical trial) (control subject) (normal comparison) (participant)Code Z00.6 ClitorisCross-ref See: condition Cloaca (persistent)Code Q43.7 Clonorchiasis, clonorchis infection (liver)Code B66.1 Clostridium (C.) perfringens, as cause of disease classified elsewhereCode B96.7 defective or imperfect NEC see Imperfect, closure
fistula, delayed see Fistula
Clot (blood)Sub-entries see also Embolism artery (obstruction) (occlusion) see Embolism
brain (intradural or extradural) see Occlusion, artery, cerebral
Clouded stateSub-entries R40.1 epileptic see Epilepsy, specified NEC
paroxysmal see Epilepsy, specified NEC
Cloudy antrum, antraCode J32.0 Clouston's (hidrotic) ectodermal dysplasiaCode Q82.4 Cloverleaf skullCode Q75.051 Clubbed nail pachydermoperiostosisCode M89.40 Clubbing of finger (s) (nails)Code R68.3 ClubfingerSub-entries R68.3 Clubhand (congenital) (radial)Sub-entries Q71.4 Non-billable acquired see Deformity, limb, clubhand
ClubnailSub-entries R68.3 Clumsiness, clumsy child syndromeCode F82 Clutton's jointsCode A50.51 Coagulation, intravascular (diffuse) (disseminated)Sub-entries see also Defibrination syndrome
complicating abortion see Abortion, by type, complicated by, intravascular coagulation
COVID-19 associated
D65 see also COVID-19following ectopic or molar pregnancy
O08.1 CoagulopathySub-entries see also Defect, coagulation
CoalitionSub-entries
Coalminer'sSub-entries
elbow see Bursitis, elbow, olecranon
lung or pneumoconiosis
J60 Coalworker's lung or pneumoconiosisCode J60 CoarctationSub-entries
aorta (preductal) (postductal)
Q25.1 Coats' disease (exudative retinopathy)Cross-ref See: Retinopathy, exudative
bipolar and related disorder
F14.94 obsessive-compulsive and related disorder
F14.988 CocainismCross-ref See: Disorder, cocaine use
CoccidioidosisCross-ref See: Coccidioidomycosis Coccidiosis (intestinal)Code A07.3 Coccydynia, coccygodyniaCode M53.3 CoccyxCross-ref See: condition Cochin-China diarrheaCode K90.1 Cockayne's syndromeCode Q87.19 Cock's peculiar tumorCode L72.3 Codman's tumorCross-ref See: Neoplasm, bone, benign
Coffee-worker's lungCode J67.8 Cogan's syndromeSub-entries H16.32 Non-billable Coitus, painful (female)Sub-entries N94.10 with influenza, flu, or grippe see Influenza, with, respiratory manifestations NEC
agglutinin disease or hemoglobinuria (chronic)
D59.12 bronchial see Bronchitis
chest see Bronchitis
ColibacillosisSub-entries A49.8 as the cause of other disease
B96.20 see also Escherichia coligeneralized
A41.51 see also Sepsis, Escherichia coliappendix, appendicular
K38.8 bile duct see Calculus, bile duct
ColicystitisCross-ref See: Cystitis
with
food protein-induced enterocolitis syndrome
K52.21 Collagenosis, collagen disease (nonvascular) (vascular)Sub-entries M35.9 reactive perforating
L87.1 CollateralSub-entries see also condition
circulation (venous)
I87.8 Colles' fractureCode S52.53 Non-billable Collet (-Sicard) syndromeCode G52.7 Collier's asthma or lungCode J60 Colloid nodule (of thyroid) (cystic)Code E04.1 optic disc (congenital)
Q14.2 ColoenteritisCross-ref See: Enteritis
ColonCross-ref See: condition ColonizationSub-entries
MRSA (Methicillin resistant Staphylococcus aureus)
Z22.322 MSSA (Methicillin susceptible Staphylococcus aureus)
Z22.321 status see Carrier (suspected) of
Color blindnessCross-ref See: Deficiency, color vision
ColostomySub-entries
Colpitis (acute)Cross-ref See: Vaginitis
ColpocystitisCross-ref See: Vaginitis
Column, spinal, vertebralCross-ref See: condition with
motor response (none)
R40.231 Non-billableabnormal extensor posturing to pain or noxious stimuli (< 2 years of age)
R40.232 Non-billableComatoseCross-ref See: Coma CombinedCross-ref See: condition Comedo, comedones (giant)Code L70.0 ComedocarcinomaSub-entries see also Neoplasm, breast, malignant
noninfiltrating
breast
D05.8 Non-billablespecified site see Neoplasm, in situ, by site
unspecified site
D05.8 Non-billableComedomastitisCross-ref See: Ectasia, mammary duct
Comminuted fracture - code as Fracture, closedTerm
brain see Injury, intracranial, concussion
cerebri see Injury, intracranial, concussion
spinal cord see Injury, spinal cord, by region
between
base of aorta and pulmonary artery
Q21.4 left ventricle and right atrium
Q20.5 pericardial sac and pleural sac
Q34.8 lower extremity (hip, buttock, thigh, leg, foot, toes)
T79.A2 Non-billablenontraumatic
CompensationSub-entries
failure see Disease, heart
neurosis, psychoneurosis see Disorder, factitious
ComplaintSub-entries see also Disease intestine, functional
K59.9 CompleteCross-ref See: condition cardiorenal see Hypertension, cardiorenal
disseminated mycobacterium avium- intracellulare (DMAC)
A31.2 accidental puncture or laceration during a procedure (of) see Complications, intraoperative (intraprocedural), puncture or laceration
amputation stump (surgical) (late) NEC
T87.9 infection or inflammation
T87.40 Compressed air diseaseCode T70.3 Non-billable with injury - code by Nature of injury
Concato's disease (pericardial polyserositis)Sub-entries A19.9 pleural see Pleurisy, with effusion
Concavity chest wallCode M95.4 Concealed penisCode Q55.64 Concern (normal) about sick person in familyCode Z63.6 Concrescence (teeth)Code K00.2 Concretio cordisSub-entries I31.1 ConcretionSub-entries see also Calculus canaliculus see Dacryolith
conjunctiva
H11.12 Non-billablewith
loss of consciousness
30 minutes or less
S06.0X1 Non-billableConditionSub-entries see also Disease
Fontan-associated, specified NEC
I27.848 Conditions arising in the perinatal periodCross-ref See: Newborn, affected by
Conduct disorderCross-ref See: Disorder, conduct
ConflagrationSub-entries see also Burn
asphyxia (by inhalation of gases, fumes or vapors)
T59.9 Non-billable see also Table of Drugs and ChemicalsConflict (with)Sub-entries see also Discord ConfluentCross-ref See: condition Confusion, confusedSub-entries R41.0 mental state (psychogenic)
F44.89 reactive (from emotional stress, psychological trauma)
F44.89 Confusional arousalsCode G47.51 CongelationCode T69.9 Non-billable CongenitalSub-entries see also condition
intrinsic factor deficiency
D51.0 malformation see Anomaly
CongestiveCross-ref See: Congestion
ConicalSub-entries
cervix (hypertrophic elongation)
N88.4 cornea see Keratoconus
Conjoined twinsCode Q89.4 Conjugal maladjustmentSub-entries Z63.0 involving divorce or estrangement
Z63.5 ConjunctivaCross-ref See: condition atopic
H10.1 Non-billablemucopurulent
H10.02 Non-billableConjunctivochalasisCode H11.82 Non-billable Connective tissueCross-ref See: condition Conn's syndromeCode E26.01 Conradi (-Hunermann) diseaseCode Q77.3 ConsanguinitySub-entries Z84.3 Conscious simulation (of illness)Code Z76.5 ConsecutiveCross-ref See: condition Consolidation lung (base)Cross-ref See: Pneumonia, lobar
ConstitutionalSub-entries see also condition
Constitutionally substandardCode F60.7 ConstrictionSub-entries see also Stricture auditory canal see Stenosis, external ear canal
ConstrictiveCross-ref See: condition medical see Counseling, medical
ConsumptionCross-ref See: Tuberculosis
Contact (with)Sub-entries see also Exposure (to) Contamination, foodCross-ref See: Intoxication, foodborne device (intrauterine) (in situ)
Z97.5 causing menorrhagia
T83.83 Non-billableAchilles tendon see also Short, tendon, Achilles
amputation stump (surgical) (flexion) (late) (next proximal joint)
T87.89 abdomen, abdominal (muscle) (wall)
S30.11 Non-billableadnexa, eye NEC
S05.8X Non-billablealveolar process
S00.532 Non-billableConus (congenital) (any type)Sub-entries Q14.8 Conversion hysteria, neurosis or reactionCode F44.9 Converter, tuberculosis (test reaction)Code R76.11 Conviction (legal), anxiety concerningSub-entries Z65.0 Convulsions (idiopathic)Sub-entries R56.9 see also Seizure(s) apoplectiform (cerebral ischemia)
I67.82 epileptic see Epilepsy
epileptiform, epileptoid see Epilepsy
ConvulsiveCross-ref See also: Convulsions
Cooley's anemiaCode D56.1 Cooper'sSub-entries
disease see Mastopathy, cystic
hernia see Hernia, abdomen, specified site NEC
Coproporphyria, hereditaryCode E80.29 bovis, bovinum see Hypertrophy, cardiac
Corbus' disease (gangrenous balanitis)Code N48.1 CordSub-entries see also condition around neck
complicating delivery
O69.81 Non-billablewith compression
O69.1 Non-billableCorditis (spermatic)Code N49.1 Cori's disease (glycogen storage)Code E74.03 Corkhandler's disease or lungCode J67.3 Corkscrew esophagusCode K22.4 Corkworker's disease or lungCode J67.3 CorneaSub-entries see also condition
Cornelia de Lange syndromeCode Q87.19 Cornual gestation or pregnancySub-entries O00.80 with intrauterine pregnancy
O00.81 Coronary (artery)Cross-ref See: condition 2019
U07.1 see also COVID-19as cause of disease classified elsewhere
B97.29 coronavirus-19
U07.1 see also COVID-19COVID-19
U07.1 see also COVID-19CorporaSub-entries see also condition
CorpulenceCross-ref See: Obesity CorpusCross-ref See: condition Corrected transpositionCode Q20.5 abdomen, abdominal (muscle) (wall)
T21.42 Non-billablefirst degree
T21.52 Non-billablesecond degree
T21.62 Non-billablethird degree
T21.72 Non-billableCorrosive burnCross-ref See: Corrosion
Corsican feverCross-ref See: Malaria
CorticalCross-ref See: condition Cortico-adrenalCross-ref See: condition Coryza (acute)Sub-entries J00 with grippe or influenza see Influenza, with, respiratory manifestations NEC
syphilitic
Co-sleeping, child-caregiverCode Z72.823 Costen's syndrome or complexCode M26.69 CostivenessCross-ref See: Constipation
CostochondritisCode M94.0 Cotard's syndromeCode F22 Cotton wool spots (retinal)Code H35.81 Cotugno diseaseCross-ref See: Sciatica
with hemorrhage see Hemoptysis
with grippe or influenza see Influenza, with, respiratory manifestations NEC
Couvelaire syndrome or uterus (complicating delivery)Code O45.8X Non-billable CowperitisCross-ref See: Urethritis
Cowper's glandCross-ref See: condition CowpoxSub-entries B08.010 due to vaccination
T88.1 Non-billablevalga (acquired) see also Deformity, limb, specified type NEC, thigh
Coxalgia, coxalgic (nontuberculous)Sub-entries see also Pain, joint, hip
CoxitisCross-ref See: Monoarthritis, hip as cause of disease classified elsewhere
B97.11 central nervous system NEC
A88.8 Crabs, meaning pubic liceCode B85.3 Cracked nippleSub-entries N64.0 abdominal see Pain, abdominal
bathing
T75.1 Non-billableCranialCross-ref See: condition CraniocleidodysostosisCode Q74.0 Craniofenestria (skull)Code Q75.8 Craniolacunia (skull)Code Q75.8 Craniopathy, metabolicCode M85.2 CraniopharyngealCross-ref See: condition CraniopharyngiomaCode D44.4 Craniorachischisis (totalis)Code Q00.1 CraniostenosisCode Q75.009 Craniotabes (cause unknown)Sub-entries M83.8 CraniumCross-ref See: condition Craw-crawCross-ref See: Onchocerciasis
CreepingSub-entries
Crenated tongueCode K14.8 CrepitusSub-entries
joint see Derangement, joint, specified type NEC
Crescent or conus choroid, congenitalCode Q14.3 pelvis
with disproportion (fetopelvic)
O33.0 causing obstructed labor
O65.0 type
Cribriform hymenCode Q52.3 Cri-du-chat syndromeCode Q93.4 Crigler-Najjar disease or syndromeCode E80.5 Crime, victim ofCode Z65.4 Crimean hemorrhagic feverCode A98.0 Crocq's disease (acrocyanosis)Code I73.89 Crohn's diseaseCross-ref See: Enteritis, regional
Crooked septum, nasalCode J34.2 Cross syndromeCode E70.328 Crossbite (anterior) (posterior)Code M26.24 Cross-eyeCross-ref See: Strabismus, convergent concomitant
Crouzon's diseaseCode Q75.1 Crowding, tooth, teeth, fully eruptedCode M26.31 Cruchet's diseaseCode A85.8 Cruelty in childrenCross-ref See also: Disorder, conduct
Crural ulcerCross-ref See: Ulcer, lower limb
abdomen
S38.1 Non-billablearm (upper) (and shoulder)
S47.axilla see Crush, arm
Crutch paralysisCross-ref See: Injury, brachial plexus Cruveilhier-Baumgarten cirrhosis, disease or syndromeCode K74.69 Cruveilhier's atrophy or diseaseCode G12.8 Crying (constant) (continuous) (excessive)Sub-entries
child, adolescent, or adult
R45.83 infant (baby) (newborn)
R68.11 CryofibrinogenemiaCode D89.2 Cryoglobulinemia (essential) (idiopathic) (mixed) (primary) (purpura) (secondary) (vasculitis)Sub-entries D89.1 with lung involvement
D89.1 Cryptitis (anal) (rectal)Code K62.89 Cryptopapillitis (anus)Code K62.89 CryptophthalmosSub-entries Q11.2 CryptosporidiosisSub-entries A07.2 CryptostromosisCode J67.6 valgus (acquired)
M21.02 Non-billablesequelae (late effect) of rickets
E64.3 Cultural deprivation or shockCode Z60.3 Curling esophagusCode K22.4 Curling's ulcerCross-ref See: Ulcer, peptic, acute
Curschmann (-Batten) (-Steinert) disease or syndromeCode G71.11 Curse, Ondine'sCross-ref See: Apnea, sleep
organ or site, congenital NEC see Distortion
radius, idiopathic, progressive (congenital)
Q74.0 Cushingoid due to steroid therapySub-entries E24.2 correct substance properly administered see Table of Drugs and Chemicals, by drug, adverse effect
overdose or wrong substance given or taken see Table of Drugs and Chemicals, by drug, poisoning
syndrome or disease
E24.9 pituitary-dependent
E24.0 Cusp, Carabelli - omit codeTerm
Cut (external)Sub-entries see also Laceration
muscle see Injury, muscle
CutaneousSub-entries see also condition
CutisSub-entries see also condition laxa (hyperelastica) see Dermatolysis
due to
persistent foramen ovale
Q21.12 Cyanotic heart diseaseSub-entries I24.9 CycleSub-entries
menstrual, irregular
N92.6 Cyclical vomiting, in migraine,Sub-entries G43.A0 see also Vomiting, cyclical CyclitisSub-entries H20.9 see also Iridocyclitis chronic see Iridocyclitis, chronic
Fuchs' heterochromic
H20.81 Non-billablegranulomatous see Iridocyclitis, chronic
lens-induced see Iridocyclitis, lens-induced
Cycloid personalityCode F34.0 Cyclopia, cyclopsCode Q87.0 Cyclothymic personalityCode F34.0 CyclotropiaCode H50.41 Non-billable CylindromaSub-entries see also Neoplasm, malignant, by site
eccrine dermal see Neoplasm, skin, benign
skin see Neoplasm, skin, benign
CynancheSub-entries
CyphosisCross-ref See: Kyphosis
Cyprus feverCross-ref See: Brucellosis
CystadenocarcinomaSub-entries see Neoplasm, malignant, by site endometrioid see Neoplasm, malignant, by site
specified site see Neoplasm, malignant, by site
unspecified site
clear cell see Neoplasm, benign, by site
borderline malignancy
D39.1 Non-billableCystadenomaSub-entries see also Neoplasm, benign, by site endometrioid see Neoplasm, benign, by site
borderline malignancy see Neoplasm, uncertain behavior, by site
malignant see Neoplasm, malignant, by site
Cystathionine synthase deficiencyCode E72.11 CystathioninemiaCode E72.19 CystathioninuriaCode E72.19 CysticSub-entries see also condition breast (chronic) see Mastopathy, cystic
corpora lutea (hemorrhagic)
N83.1 Non-billableduct see condition
eyeball (congenital)
Q11.0 Cysticercus cellulose infestationCross-ref See: Cysticercosis
Cystinosis (malignant)Code E72.04 with
fibrosis see Cystitis, chronic, interstitial
leukoplakia see Cystitis, chronic, interstitial
with prolapse of uterus see Prolapse, uterus
CystomaSub-entries see also Neoplasm, benign, by site endometrial, ovary
N80.10 Non-billablemucinous
specified site see Neoplasm, benign, by site
CystopyelitisCross-ref See: Pyelonephritis Cystosarcoma phyllodesSub-entries D48.6 Non-billable malignant see Neoplasm, breast, malignant
complication see Complications, cystostomy
CystourethritisCross-ref See: Urethritis
CystourethroceleSub-entries see also Cystocele with uterine prolapse see Prolapse, uterus
Cytomegalic inclusion diseaseSub-entries
Cytomegalovirus infectionCode B25.9 Cytomycosis (reticuloendothelial)Code B39.4 CytopeniaSub-entries D75.9 refractory
with multilineage dysplasia
D46.A and ring sideroblasts (RCMD RS)
D46.B Czerny's disease (periodic hydrarthrosis of the knee)Cross-ref See: Effusion, joint, knee
Source: Centers for Medicare & Medicaid Services, FY 2026 ICD-10-CM Index to Diseases and Injuries release files, effective October 1, 2025 through September 30, 2026.
