G00–G99: Diseases of the Nervous System
Chapter 6 of ICD-10-CM 2027, 932 codes in 11 blocks.
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Chapter instructions
Excludes2: not included here, code separately if applicable
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
Codes in this chapter
All codesBillable only932 results
- G62.9Polyneuropathy, unspecified
- G63Polyneuropathy in diseases classified elsewhere
- G64Other disorders of peripheral nervous system
- G65Sequelae of inflammatory and toxic polyneuropathies
- G65.0Sequelae of Guillain-Barre syndrome
- G65.1Sequelae of other inflammatory polyneuropathy
- G65.2Sequelae of toxic polyneuropathy
- G70Myasthenia gravis and other myoneural disorders
- G70.0Myasthenia gravis
- G70.00Myasthenia gravis without (acute) exacerbation
- G70.01Myasthenia gravis with (acute) exacerbation
- G70.1Toxic myoneural disorders
- G70.2Congenital and developmental myasthenia
- G70.8Other specified myoneural disorders
- G70.80Lambert-Eaton syndrome, unspecified
- G70.81Lambert-Eaton syndrome in disease classified elsewhere
- G70.89Other specified myoneural disorders
- G70.9Myoneural disorder, unspecified
- G71Primary disorders of muscles
- G71.0Muscular dystrophy
- G71.00Muscular dystrophy, unspecified
- G71.01Duchenne or Becker muscular dystrophy
- G71.02Facioscapulohumeral muscular dystrophy
- G71.03Limb girdle muscular dystrophies
- G71.031Autosomal dominant limb girdle muscular dystrophy
- G71.032Autosomal recessive limb girdle muscular dystrophy due to calpain-3 dysfunction
- G71.033Limb girdle muscular dystrophy due to dysferlin dysfunction
- G71.034Limb girdle muscular dystrophy due to sarcoglycan dysfunction
- G71.0340Limb girdle muscular dystrophy due to sarcoglycan dysfunction, unspecified
- G71.0341Limb girdle muscular dystrophy due to alpha sarcoglycan dysfunction
- G71.0342Limb girdle muscular dystrophy due to beta sarcoglycan dysfunction
- G71.0349Limb girdle muscular dystrophy due to other sarcoglycan dysfunction
- G71.035Limb girdle muscular dystrophy due to anoctamin-5 dysfunction
- G71.036Limb girdle muscular dystrophy due to fukutin related protein dysfunction
- G71.038Other limb girdle muscular dystrophy
- G71.039Limb girdle muscular dystrophy, unspecified
- G71.09Other specified muscular dystrophies
- G71.1Myotonic disorders
- G71.11Myotonic muscular dystrophy
- G71.12Myotonia congenita
- G71.13Myotonic chondrodystrophy
- G71.14Drug induced myotonia
- G71.19Other specified myotonic disorders
- G71.2Congenital myopathies
- G71.20Congenital myopathy, unspecified
- G71.21Nemaline myopathy
- G71.22Centronuclear myopathy
- G71.220X-linked myotubular myopathy
- G71.228Other centronuclear myopathy
- G71.29Other congenital myopathy