Last updated: June 11, 2026

Reviewed by: Arkangel AI medical coding review team, ICD-10 educational content

Sources
CDC/NCHS ICD-10-CMCMS ICD-10 codes
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Neurology

Code range: G00-G99

Showing 700 of 700 codes
  • G00.0Hemophilus meningitis
  • G00.1Pneumococcal meningitis
  • G00.2Streptococcal meningitis
  • G00.3Staphylococcal meningitis
  • G00.8Other bacterial meningitis
  • G00.9Bacterial meningitis, unspecified
  • G01Meningitis in bacterial diseases classified elsewhere
  • G02Meningitis in other infectious and parasitic diseases classified elsewhere
  • G03.0Nonpyogenic meningitis
  • G03.1Chronic meningitis
  • G03.2Benign recurrent meningitis [Mollaret]
  • G03.8Meningitis due to other specified causes
  • G03.9Meningitis, unspecified
  • G04.00Acute disseminated encephalitis and encephalomyelitis, unspecified
  • G04.01Postinfectious acute disseminated encephalitis and encephalomyelitis (postinfectious ADEM)
  • G04.02Postimmunization acute disseminated encephalitis, myelitis and encephalomyelitis
  • G04.1Tropical spastic paraplegia
  • G04.2Bacterial meningoencephalitis and meningomyelitis, not elsewhere classified
  • G04.30Acute necrotizing hemorrhagic encephalopathy, unspecified
  • G04.31Postinfectious acute necrotizing hemorrhagic encephalopathy
  • G04.32Postimmunization acute necrotizing hemorrhagic encephalopathy
  • G04.39Other acute necrotizing hemorrhagic encephalopathy
  • G04.81Other encephalitis and encephalomyelitis
  • G04.82Acute flaccid myelitis
  • G04.89Other myelitis
  • G04.90Encephalitis and encephalomyelitis, unspecified
  • G04.91Myelitis, unspecified
  • G05.3Encephalitis and encephalomyelitis in diseases classified elsewhere
  • G05.4Myelitis in diseases classified elsewhere
  • G06.0Intracranial abscess and granuloma
  • G06.1Intraspinal abscess and granuloma
  • G06.2Extradural and subdural abscess, unspecified
  • G07Intracranial and intraspinal abscess and granuloma in diseases classified elsewhere
  • G08Intracranial and intraspinal phlebitis and thrombophlebitis
  • G09Sequelae of inflammatory diseases of central nervous system
  • G10Huntington's disease
  • G11.0Congenital nonprogressive ataxia
  • G11.10Early-onset cerebellar ataxia, unspecified
  • G11.11Friedreich ataxia
  • G11.19Other early-onset cerebellar ataxia
  • G11.2Late-onset cerebellar ataxia
  • G11.3Cerebellar ataxia with defective DNA repair
  • G11.4Hereditary spastic paraplegia
  • G11.5Hypomyelination - hypogonadotropic hypogonadism - hypodontia
  • G11.6Leukodystrophy with vanishing white matter disease
  • G11.8Other hereditary ataxias
  • G11.9Hereditary ataxia, unspecified
  • G12.0Infantile spinal muscular atrophy, type I [Werdnig-Hoffman]
  • G12.1Other inherited spinal muscular atrophy
  • G12.20Motor neuron disease, unspecified
  • G12.21Amyotrophic lateral sclerosis
  • G12.22Progressive bulbar palsy
  • G12.23Primary lateral sclerosis
  • G12.24Familial motor neuron disease
  • G12.25Progressive spinal muscle atrophy
  • G12.29Other motor neuron disease
  • G12.8Other spinal muscular atrophies and related syndromes
  • G12.9Spinal muscular atrophy, unspecified
  • G13.0Paraneoplastic neuromyopathy and neuropathy
  • G13.1Other systemic atrophy primarily affecting central nervous system in neoplastic disease
  • G13.2Systemic atrophy primarily affecting the central nervous system in myxedema
  • G13.8Systemic atrophy primarily affecting central nervous system in other diseases classified elsewhere
  • G14Postpolio syndrome
  • G20.A1Parkinson's disease without dyskinesia, without mention of fluctuations
  • G20.A2Parkinson's disease without dyskinesia, with fluctuations
  • G20.B1Parkinson's disease with dyskinesia, without mention of fluctuations
  • G20.B2Parkinson's disease with dyskinesia, with fluctuations
  • G20.CParkinsonism, unspecified
  • G21.0Malignant neuroleptic syndrome
  • G21.11Neuroleptic induced parkinsonism
  • G21.19Other drug induced secondary parkinsonism
  • G21.2Secondary parkinsonism due to other external agents
  • G21.3Postencephalitic parkinsonism
  • G21.4Vascular parkinsonism
  • G21.8Other secondary parkinsonism
  • G21.9Secondary parkinsonism, unspecified
  • G23.0Hallervorden-Spatz disease
  • G23.1Progressive supranuclear ophthalmoplegia [Steele-Richardson-Olszewski]
  • G23.2Striatonigral degeneration
  • G23.3Hypomyelination with atrophy of the basal ganglia and cerebellum
  • G23.8Other specified degenerative diseases of basal ganglia
  • G23.9Degenerative disease of basal ganglia, unspecified
  • G24.01Drug induced subacute dyskinesia
  • G24.02Drug induced acute dystonia
  • G24.09Other drug induced dystonia
  • G24.1Genetic torsion dystonia
  • G24.2Idiopathic nonfamilial dystonia
  • G24.3Spasmodic torticollis
  • G24.4Idiopathic orofacial dystonia
  • G24.5Blepharospasm
  • G24.8Other dystonia
  • G24.9Dystonia, unspecified
  • G25.0Essential tremor
  • G25.1Drug-induced tremor
  • G25.2Other specified forms of tremor
  • G25.3Myoclonus
  • G25.4Drug-induced chorea
  • G25.5Other chorea
  • G25.61Drug induced tics
  • G25.69Other tics of organic origin
Showing first 100 of 700 codes. Use search to find specific codes.

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