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
- G71.3Mitochondrial myopathy, not elsewhere classified
- G71.8Other primary disorders of muscles
- G71.9Primary disorder of muscle, unspecified
- G72Other and unspecified myopathies
- G72.0Drug-induced myopathy
- G72.1Alcoholic myopathy
- G72.2Myopathy due to other toxic agents
- G72.3Periodic paralysis
- G72.4Inflammatory and immune myopathies, not elsewhere classified
- G72.41Inclusion body myositis [IBM]
- G72.49Other inflammatory and immune myopathies, not elsewhere classified
- G72.8Other specified myopathies
- G72.81Critical illness myopathy
- G72.89Other specified myopathies
- G72.9Myopathy, unspecified
- G73Disorders of myoneural junction and muscle in diseases classified elsewhere
- G73.1Lambert-Eaton syndrome in neoplastic disease
- G73.3Myasthenic syndromes in other diseases classified elsewhere
- G73.7Myopathy in diseases classified elsewhere
- G80Cerebral palsy
- G80.0Spastic quadriplegic cerebral palsy
- G80.1Spastic diplegic cerebral palsy
- G80.2Spastic hemiplegic cerebral palsy
- G80.3Athetoid cerebral palsy
- G80.4Ataxic cerebral palsy
- G80.8Other cerebral palsy
- G80.9Cerebral palsy, unspecified
- G81Hemiplegia and hemiparesis
- G81.0Flaccid hemiplegia
- G81.00Flaccid hemiplegia affecting unspecified side
- G81.01Flaccid hemiplegia affecting right dominant side
- G81.02Flaccid hemiplegia affecting left dominant side
- G81.03Flaccid hemiplegia affecting right nondominant side
- G81.04Flaccid hemiplegia affecting left nondominant side
- G81.1Spastic hemiplegia
- G81.10Spastic hemiplegia affecting unspecified side
- G81.11Spastic hemiplegia affecting right dominant side
- G81.12Spastic hemiplegia affecting left dominant side
- G81.13Spastic hemiplegia affecting right nondominant side
- G81.14Spastic hemiplegia affecting left nondominant side
- G81.9Hemiplegia, unspecified
- G81.90Hemiplegia, unspecified affecting unspecified side
- G81.91Hemiplegia, unspecified affecting right dominant side
- G81.92Hemiplegia, unspecified affecting left dominant side
- G81.93Hemiplegia, unspecified affecting right nondominant side
- G81.94Hemiplegia, unspecified affecting left nondominant side
- G82Paraplegia (paraparesis) and quadriplegia (quadriparesis)
- G82.2Paraplegia
- G82.20Paraplegia, unspecified
- G82.21Paraplegia, complete