ICD-10-CM
Diseases of the nervous system
Chapter 6, G00-G99. CDC FY2027 file dated June 16, 2026.
License: a US government work, in the public domain (Public Domain Mark 1.0).
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Categories
68 categories in this chapter. Open one, or page through every code below.
- G00Bacterial meningitis, not elsewhere classified
- G01Meningitis in bacterial diseases classified elsewhere
- G02Meningitis in other infec/parastc diseases classd elswhr
- G03Meningitis due to other and unspecified causes
- G04Encephalitis, myelitis and encephalomyelitis
- G05Encphlts, myelitis and encephalomyelitis in dis classd elswhr
- G06Intracranial and intraspinal abscess and granuloma
- G07Intcrn and intraspinal abscs and granuloma in dis classd elswhr
- G08Intracranial and intraspinal phlebitis and thrombophlebitis
- G09Sequelae of inflammatory diseases of central nervous system
- G10Huntington's disease
- G11Hereditary ataxia
- G12Spinal muscular atrophy and related syndromes
- G13Systemic atrophies aff cnsl in diseases classd elswhr
- G14Postpolio syndrome
- G20Parkinson's disease
- G21Secondary parkinsonism
- G23Other degenerative diseases of basal ganglia
- G24Dystonia
- G25Other extrapyramidal and movement disorders
- G26Extrapyramidal and movement disord in diseases classd elswhr
- G30Alzheimer's disease
- G31Other degenerative diseases of nervous system, NEC
- G32Other degeneratv disord of nervous system in dis classd elswhr
- G35Multiple sclerosis
- G36Other acute disseminated demyelination
- G37Other demyelinating diseases of central nervous system
- G40Epilepsy and recurrent seizures
- G43Migraine
- G44Other headache syndromes
- G45Transient cerebral ischemic attacks and related syndromes
- G46Vascular syndromes of brain in cerebrovascular diseases
- G47Sleep disorders
- G50Disorders of trigeminal nerve
- G51Facial nerve disorders
- G52Disorders of other cranial nerves
32 more categories are in this chapter. Type a code or a term to open one.
Codes
A header groups codes and is not billed. A billable code is one you can report.
321 to 360 of 932
- G43.70Chronic migraine without aura, not intractableHeader
- G43.701Chronic migraine without aura, not intractable, with stat migrBillable
- G43.709Chronic migraine without aura, not intractable, without stat migrBillable
- G43.71Chronic migraine without aura, intractableHeader
- G43.711Chronic migraine without aura, intractable, with status migrainosusBillable
- G43.719Chronic migraine without aura, intractable, without stat migrBillable
- G43.ACyclical vomitingHeader
- G43.A0Cyclical vomiting, in migraine, not intractableBillable
- G43.A1Cyclical vomiting, in migraine, intractableBillable
- G43.BOphthalmoplegic migraineHeader
- G43.B0Ophthalmoplegic migraine, not intractableBillable
- G43.B1Ophthalmoplegic migraine, intractableBillable
- G43.CPeriodic headache syndromes in child or adultHeader
- G43.C0Periodic headache syndromes in chld/adlt, not intractableBillable
- G43.C1Periodic headache syndromes in child or adult, intractableBillable
- G43.DAbdominal migraineHeader
- G43.D0Abdominal migraine, not intractableBillable
- G43.D1Abdominal migraine, intractableBillable
- G43.8Other migraineHeader
- G43.80Other migraine, not intractableHeader
- G43.801Other migraine, not intractable, with status migrainosusBillable
- G43.809Other migraine, not intractable, without status migrainosusBillable
- G43.81Other migraine, intractableHeader
- G43.811Other migraine, intractable, with status migrainosusBillable
- G43.819Other migraine, intractable, without status migrainosusBillable
- G43.82Menstrual migraine, not intractableHeader
- G43.821Menstrual migraine, not intractable, with status migrainosusBillable
- G43.829Menstrual migraine, not intractable, without status migrainosusBillable
- G43.83Menstrual migraine, intractableHeader
- G43.831Menstrual migraine, intractable, with status migrainosusBillable
- G43.839Menstrual migraine, intractable, without status migrainosusBillable
- G43.9Migraine, unspecifiedHeader
- G43.90Migraine, unspecified, not intractableHeader
- G43.901Migraine, unspecified, not intractable, with status migrainosusBillable
- G43.909Migraine, unspecified, not intractable, without status migrainosusBillable
- G43.91Migraine, unspecified, intractableHeader
- G43.911Migraine, unspecified, intractable, with status migrainosusBillable
- G43.919Migraine, unspecified, intractable, without status migrainosusBillable
- G43.EChronic migraine with auraHeader
- G43.E0Chronic migraine with aura, not intractableHeader