G11.5
ICD-10BillableHypomyelination - hypogonadotropic hypogonadism - hypodontia
Official ICD-10-CM descriptor (FY2026)
Hypomyelination - hypogonadotropic hypogonadism - hypodontia
G11.5 is valid for submission on a claim — CMS flags it as a billable, specific code.
Inclusion terms
- 4H syndrome
- Pol III-related leukodystrophy
Related codes in G11
- G11.0Congenital nonprogressive ataxia
- G11.1Early-onset cerebellar ataxiacategory
- G11.2Late-onset cerebellar ataxia
- G11.3Cerebellar ataxia with defective DNA repair
- G11.4Hereditary spastic paraplegia
- G11.6Leukodystrophy with vanishing white matter disease
- G11.8Other hereditary ataxias
- G11.9Hereditary ataxia, unspecified
Where this code sits
- Parent code
- G11
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.