G71.00 - Muscular dystrophy, unspecified Billable
G71.0340 - Limb girdle muscular dystrophy due to sarcoglycan dysfunction, unspecified Billable
G71.039 - Limb girdle muscular dystrophy, unspecified Billable
G71.20 - Congenital myopathy, unspecified Billable
G71.9 - Primary disorder of muscle, unspecified Billable
2026 Unspecified ICD-10-CM Codes - Page 4
The 2026 Unspecified ICD-10-CM Codes list includes 30,368 valid codes for situations where medical documentation does not provide enough detail to assign a more specific code. While coders are encouraged to use the most detailed diagnosis possible, unspecified codes are sometimes necessary to accurately reflect the patient’s condition when clinical information is incomplete. Proper use of these codes helps reduce claim denials, supports accurate billing, and ensures compliance with Medicare and payer guidelines. Documentation must clearly support the need for using an unspecified code.
- Alcohol related disorders (F10)
- Alzheimer's disease (G30)
- Attention-deficit hyperactivity disorders (F90)
- Bacterial meningitis, not elsewhere classified (G00)
- Bipolar disorder (F31)
- Cannabis related disorders (F12)
- Cerebral palsy (G80)
- Cocaine related disorders (F14)
- Conduct disorders (F91)
- Depressive episode (F32)
- Disorders of autonomic nervous system (G90)
- Disorders of other cranial nerves (G52)
- Disorders of social functioning with onset specific to child
- Disorders of trigeminal nerve (G50)
- Dissociative and conversion disorders (F44)
- Dystonia (G24)
- Eating disorders (F50)
- Emotional disorders with onset specific to childhood (F93)
- Encephalitis, myelitis and encephalomyelitis (G04)
- Epilepsy and recurrent seizures (G40)
- Facial nerve disorders (G51)
- Gender identity disorders (F64)
- Hallucinogen related disorders (F16)
- Hemiplegia and hemiparesis (G81)
- Hereditary and idiopathic neuropathy (G60)
- Hereditary ataxia (G11)
- Hordeolum and chalazion (H00)
- Hydrocephalus (G91)
- Impulse disorders (F63)
- Inflammatory polyneuropathy (G61)
- Inhalant related disorders (F18)
- Intracranial and intraspinal abscess and granuloma (G06)
- Major depressive disorder, recurrent (F33)
- Manic episode (F30)
- Meningitis due to other and unspecified causes (G03)
- Migraine (G43)
- Mononeuropathies of lower limb (G57)
- Mononeuropathies of upper limb (G56)
- Multiple sclerosis (G35)
- Myasthenia gravis and other myoneural disorders (G70)
- Nerve root and plexus disorders (G54)
- Nicotine dependence (F17)
- Obsessive-compulsive disorder (F42)
- Opioid related disorders (F11)
- Other acute disseminated demyelination (G36)
- Other and unspecified diseases of spinal cord (G95)
- Other and unspecified myopathies (G72)
- Other and unspecified polyneuropathies (G62)
- Other anxiety disorders (F41)
- Other behavioral and emotional disorders with onset usually
- Other degenerative diseases of basal ganglia (G23)
- Other degenerative diseases of nervous system, not elsewhere
- Other demyelinating diseases of central nervous system (G37)
- Other disorders of adult personality and behavior (F68)
- Other disorders of brain (G93)
- Other disorders of central nervous system (G96)
- Other extrapyramidal and movement disorders (G25)
- Other headache syndromes (G44)
- Other mental disorders due to known physiological condition
- Other mononeuropathies (G58)
- Other nonpsychotic mental disorders (F48)
- Other paralytic syndromes (G83)
- Other psychoactive substance related disorders (F19)
- Other stimulant related disorders (F15)
- Paraphilias (F65)
- Paraplegia (paraparesis) and quadriplegia (quadriparesis) (G
- Parkinson's disease (G20)
- Persistent mood [affective] disorders (F34)
- Personality and behavioral disorders due to known physiologi
- Pervasive developmental disorders (F84)
- Phobic anxiety disorders (F40)
- Primary disorders of muscles (G71)
- Reaction to severe stress, and adjustment disorders (F43)
- Schizoaffective disorders (F25)
- Schizophrenia (F20)
- Secondary parkinsonism (G21)
- Sedative, hypnotic, or anxiolytic related disorders (F13)
- Sexual dysfunction not due to a substance or known physiolog
- Sleep disorders (G47)
- Sleep disorders not due to a substance or known physiologica
- Somatoform disorders (F45)
- Specific developmental disorders of scholastic skills (F81)
- Specific developmental disorders of speech and language (F80
- Specific personality disorders (F60)
- Spinal muscular atrophy and related syndromes (G12)
- Tic disorder (F95)
- Toxic encephalopathy (G92)
- Transient cerebral ischemic attacks and related syndromes (G
- Unspecified behavioral syndromes associated with physiologic
- Unspecified dementia (F03)
- Unspecified disorder of adult personality and behavior (F69)
- Unspecified disorder of psychological development (F89)
- Unspecified intellectual disabilities (F79)
- Unspecified mental disorder due to known physiological condi
- Unspecified mood [affective] disorder (F39)
- Unspecified psychosis not due to a substance or known physio
G30.9 - Alzheimer's disease, unspecified Billable
F90.9 - Attention-deficit hyperactivity disorder, unspecified type Billable
G00.9 - Bacterial meningitis, unspecified Billable
F31.10 - Bipolar disorder, current episode manic without psychotic features, unspecified Billable
F31.30 - Bipolar disorder, current episode depressed, mild or moderate severity, unspecified Billable
F31.60 - Bipolar disorder, current episode mixed, unspecified Billable
F31.70 - Bipolar disorder, currently in remission, most recent episode unspecified Billable
F31.9 - Bipolar disorder, unspecified Billable
G80.9 - Cerebral palsy, unspecified Billable
F91.9 - Conduct disorder, unspecified Billable
G52.9 - Cranial nerve disorder, unspecified Billable
G50.9 - Disorder of trigeminal nerve, unspecified Billable
F44.9 - Dissociative and conversion disorder, unspecified Billable
G24.9 - Dystonia, unspecified Billable
F50.00 - Anorexia nervosa, unspecified Billable
F50.019 - Anorexia nervosa, restricting type, unspecified Billable
F50.029 - Anorexia nervosa, binge eating/purging type, unspecified Billable
F50.20 - Bulimia nervosa, unspecified Billable
F50.819 - Binge eating disorder, unspecified Billable
F50.9 - Eating disorder, unspecified Billable
F93.9 - Childhood emotional disorder, unspecified Billable
G04.00 - Acute disseminated encephalitis and encephalomyelitis, unspecified Billable
G04.30 - Acute necrotizing hemorrhagic encephalopathy, unspecified Billable
G04.9 - Encephalitis, myelitis and encephalomyelitis, unspecified Non-Billable
G04.90 - Encephalitis and encephalomyelitis, unspecified Billable
G04.91 - Myelitis, unspecified Billable
G40.9 - Epilepsy, unspecified Non-Billable
G40.90 - Epilepsy, unspecified, not intractable Non-Billable
G40.901 - Epilepsy, unspecified, not intractable, with status epilepticus Billable
G40.909 - Epilepsy, unspecified, not intractable, without status epilepticus Billable
G40.91 - Epilepsy, unspecified, intractable Non-Billable
G40.911 - Epilepsy, unspecified, intractable, with status epilepticus Billable
G40.919 - Epilepsy, unspecified, intractable, without status epilepticus Billable
F64.9 - Gender identity disorder, unspecified Billable
G81.00 - Flaccid hemiplegia affecting unspecified side Billable
G81.10 - Spastic hemiplegia affecting unspecified side Billable
G81.9 - Hemiplegia, unspecified Non-Billable
G81.90 - Hemiplegia, unspecified affecting unspecified side Billable
G81.91 - Hemiplegia, unspecified affecting right dominant side Billable
G81.92 - Hemiplegia, unspecified affecting left dominant side Billable
G81.93 - Hemiplegia, unspecified affecting right nondominant side Billable
G81.94 - Hemiplegia, unspecified affecting left nondominant side Billable
G60.9 - Hereditary and idiopathic neuropathy, unspecified Billable
H00.013 - Hordeolum externum right eye, unspecified eyelid Billable
H00.016 - Hordeolum externum left eye, unspecified eyelid Billable
H00.019 - Hordeolum externum unspecified eye, unspecified eyelid Billable
H00.023 - Hordeolum internum right eye, unspecified eyelid Billable
H00.026 - Hordeolum internum left eye, unspecified eyelid Billable
H00.029 - Hordeolum internum unspecified eye, unspecified eyelid Billable
H00.033 - Abscess of eyelid right eye, unspecified eyelid Billable
H00.036 - Abscess of eyelid left eye, unspecified eyelid Billable
H00.039 - Abscess of eyelid unspecified eye, unspecified eyelid Billable
H00.13 - Chalazion right eye, unspecified eyelid Billable
F63.9 - Impulse disorder, unspecified Billable
G61.9 - Inflammatory polyneuropathy, unspecified Billable
G06.2 - Extradural and subdural abscess, unspecified Billable
G43.9 - Migraine, unspecified Non-Billable
G43.90 - Migraine, unspecified, not intractable Non-Billable
G43.901 - Migraine, unspecified, not intractable, with status migrainosus Billable
G43.909 - Migraine, unspecified, not intractable, without status migrainosus Billable
G43.91 - Migraine, unspecified, intractable Non-Billable
G43.911 - Migraine, unspecified, intractable, with status migrainosus Billable
G43.919 - Migraine, unspecified, intractable, without status migrainosus Billable
G57.00 - Lesion of sciatic nerve, unspecified lower limb Billable
G57.10 - Meralgia paresthetica, unspecified lower limb Billable
G57.20 - Lesion of femoral nerve, unspecified lower limb Billable
G57.30 - Lesion of lateral popliteal nerve, unspecified lower limb Billable
G57.40 - Lesion of medial popliteal nerve, unspecified lower limb Billable
G57.50 - Tarsal tunnel syndrome, unspecified lower limb Billable
G57.60 - Lesion of plantar nerve, unspecified lower limb Billable
G57.70 - Causalgia of unspecified lower limb Billable
G57.80 - Other specified mononeuropathies of unspecified lower limb Billable
G57.9 - Unspecified mononeuropathy of lower limb Non-Billable
G57.90 - Unspecified mononeuropathy of unspecified lower limb Billable
G57.91 - Unspecified mononeuropathy of right lower limb Billable
G57.92 - Unspecified mononeuropathy of left lower limb Billable
G57.93 - Unspecified mononeuropathy of bilateral lower limbs Billable
G56.00 - Carpal tunnel syndrome, unspecified upper limb Billable
G56.10 - Other lesions of median nerve, unspecified upper limb Billable
G56.20 - Lesion of ulnar nerve, unspecified upper limb Billable
G56.30 - Lesion of radial nerve, unspecified upper limb Billable
G56.40 - Causalgia of unspecified upper limb Billable
G56.80 - Other specified mononeuropathies of unspecified upper limb Billable
G56.9 - Unspecified mononeuropathy of upper limb Non-Billable
G56.90 - Unspecified mononeuropathy of unspecified upper limb Billable
G56.91 - Unspecified mononeuropathy of right upper limb Billable
G56.92 - Unspecified mononeuropathy of left upper limb Billable
G56.93 - Unspecified mononeuropathy of bilateral upper limbs Billable
G54.9 - Nerve root and plexus disorder, unspecified Billable
F17.20 - Nicotine dependence, unspecified Non-Billable
F17.200 - Nicotine dependence, unspecified, uncomplicated Billable
F17.201 - Nicotine dependence, unspecified, in remission Billable
F17.203 - Nicotine dependence unspecified, with withdrawal Billable
F17.208 - Nicotine dependence, unspecified, with other nicotine-induced disorders Billable
F17.209 - Nicotine dependence, unspecified, with unspecified nicotine-induced disorders Billable
F17.219 - Nicotine dependence, cigarettes, with unspecified nicotine-induced disorders Billable
F17.229 - Nicotine dependence, chewing tobacco, with unspecified nicotine-induced disorders Billable
F17.299 - Nicotine dependence, other tobacco product, with unspecified nicotine-induced disorders Billable
F42.9 - Obsessive-compulsive disorder, unspecified Billable
G36.9 - Acute disseminated demyelination, unspecified Billable
F41.9 - Anxiety disorder, unspecified Billable
F98.9 - Unspecified behavioral and emotional disorders with onset usually occurring in childhood and adolescence Billable
G23.9 - Degenerative disease of basal ganglia, unspecified Billable
G37.9 - Demyelinating disease of central nervous system, unspecified Billable
F68.10 - Factitious disorder imposed on self, unspecified Billable
G44.00 - Cluster headache syndrome, unspecified Non-Billable
G44.001 - Cluster headache syndrome, unspecified, intractable Billable
G44.009 - Cluster headache syndrome, unspecified, not intractable Billable
G44.20 - Tension-type headache, unspecified Non-Billable
G44.201 - Tension-type headache, unspecified, intractable Billable
G44.209 - Tension-type headache, unspecified, not intractable Billable
G44.30 - Post-traumatic headache, unspecified Non-Billable
G44.301 - Post-traumatic headache, unspecified, intractable Billable
G44.309 - Post-traumatic headache, unspecified, not intractable Billable
F06.30 - Mood disorder due to known physiological condition, unspecified Billable
G58.9 - Mononeuropathy, unspecified Billable
F48.9 - Nonpsychotic mental disorder, unspecified Billable
G83.10 - Monoplegia of lower limb affecting unspecified side Billable
G83.20 - Monoplegia of upper limb affecting unspecified side Billable
G83.3 - Monoplegia, unspecified Non-Billable
G83.30 - Monoplegia, unspecified affecting unspecified side Billable
G83.31 - Monoplegia, unspecified affecting right dominant side Billable
G83.32 - Monoplegia, unspecified affecting left dominant side Billable
G83.33 - Monoplegia, unspecified affecting right nondominant side Billable
G83.34 - Monoplegia, unspecified affecting left nondominant side Billable
G83.9 - Paralytic syndrome, unspecified Billable
G20.C - Parkinsonism, unspecified Billable
F07.9 - Unspecified personality and behavioral disorder due to known physiological condition Billable
F84.9 - Pervasive developmental disorder, unspecified Billable
F25.9 - Schizoaffective disorder, unspecified Billable
F20.9 - Schizophrenia, unspecified Billable
G21.9 - Secondary parkinsonism, unspecified Billable
F52.9 - Unspecified sexual dysfunction not due to a substance or known physiological condition Billable
F51.9 - Sleep disorder not due to a substance or known physiological condition, unspecified Billable
F81.9 - Developmental disorder of scholastic skills, unspecified Billable
F80.9 - Developmental disorder of speech and language, unspecified Billable
F60.9 - Personality disorder, unspecified Billable
F95.9 - Tic disorder, unspecified Billable
F59 - Unspecified behavioral syndromes associated with physiological disturbances and physical factors Billable
F03 - Unspecified dementia Non-Billable
F03.9 - Unspecified dementia, unspecified severity Non-Billable
F03.90 - Unspecified dementia, unspecified severity, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety Billable
F03.91 - Unspecified dementia, unspecified severity, with behavioral disturbance Non-Billable
F03.911 - Unspecified dementia, unspecified severity, with agitation Billable
F03.918 - Unspecified dementia, unspecified severity, with other behavioral disturbance Billable
F03.92 - Unspecified dementia, unspecified severity, with psychotic disturbance Billable
F03.93 - Unspecified dementia, unspecified severity, with mood disturbance Billable
F03.94 - Unspecified dementia, unspecified severity, with anxiety Billable
F03.A - Unspecified dementia, mild Non-Billable
F03.A0 - Unspecified dementia, mild, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety Billable
F03.A1 - Unspecified dementia, mild, with behavioral disturbance Non-Billable
F03.A11 - Unspecified dementia, mild, with agitation Billable
F03.A18 - Unspecified dementia, mild, with other behavioral disturbance Billable
F03.A2 - Unspecified dementia, mild, with psychotic disturbance Billable
F03.A3 - Unspecified dementia, mild, with mood disturbance Billable
F03.A4 - Unspecified dementia, mild, with anxiety Billable
F03.B - Unspecified dementia, moderate Non-Billable
F03.B0 - Unspecified dementia, moderate, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety Billable
F03.B1 - Unspecified dementia, moderate, with behavioral disturbance Non-Billable
F03.B11 - Unspecified dementia, moderate, with agitation Billable
F03.B18 - Unspecified dementia, moderate, with other behavioral disturbance Billable
F03.B2 - Unspecified dementia, moderate, with psychotic disturbance Billable
F03.B3 - Unspecified dementia, moderate, with mood disturbance Billable
F03.B4 - Unspecified dementia, moderate, with anxiety Billable
F03.C - Unspecified dementia, severe Non-Billable
F03.C0 - Unspecified dementia, severe, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety Billable
F03.C1 - Unspecified dementia, severe, with behavioral disturbance Non-Billable
F03.C11 - Unspecified dementia, severe, with agitation Billable
F03.C18 - Unspecified dementia, severe, with other behavioral disturbance Billable
F03.C2 - Unspecified dementia, severe, with psychotic disturbance Billable
F03.C3 - Unspecified dementia, severe, with mood disturbance Billable
F03.C4 - Unspecified dementia, severe, with anxiety Billable
F69 - Unspecified disorder of adult personality and behavior Billable
F89 - Unspecified disorder of psychological development Billable
F79 - Unspecified intellectual disabilities Billable
F09 - Unspecified mental disorder due to known physiological condition Billable
F39 - Unspecified mood [affective] disorder Billable
F29 - Unspecified psychosis not due to a substance or known physiological condition Billable
