Systemic atrophies primarily affecting the central nervous system (G10-G14)
chapter 6: Diseases of the Nervous System
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Official coding guidelines
From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.
Covers default dominant or nondominant side for hemiplegia and monoplegia, and use and sequencing of G89 pain codes, including postoperative, chronic, and neoplasm-related pain.
- Dominant/nondominant side (page 45)
- Pain - Category G89 (page 45)
All codes under G10-G14
G10-G14 can't be used on a claim. Pick a billable code below; grey headings group them.
- G10Huntington's disease
- G11Hereditary ataxia
- G11.0Congenital nonprogressive ataxia
- G11.1Early-onset cerebellar 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
- G12Spinal muscular atrophy and related syndromes
- G12.0Infantile spinal muscular atrophy, type I [Werdnig-Hoffman]
- G12.1Other inherited spinal muscular atrophy
- G12.2Motor neuron disease
- 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
- G13Systemic atrophies primarily affecting central nervous system in diseases classified elsewhere
- 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
G10-G14 MS-DRGs
This code does not group to an MS-DRG as a principal diagnosis.
About the condition
Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.
Huntington's Disease
Huntington's disease (HD) is an inherited disease that causes certain nerve cells in the brain to waste away. People are born with the defective gene, but symptoms usually don't appear until middle age. Early symptoms of HD may include uncontrolled movements, clumsiness, and balance problems. Later, HD can take away the ability to walk, talk, and swallow. Some people stop recognizing family members. Others are aware of their environment and are able to express emotions.
Read more about huntington's disease on MedlinePlus