G11.9 is the ICD-10 code for Hereditary ataxia, unspecified. It is a four-character subcategory of G11 (Hereditary ataxia), the most specific level in the WHO edition. It belongs to the block G10–G14 (Systemic atrophies primarily affecting the central nervous system) in Chapter VI, Diseases of the nervous system.
- Code type
- Subcategory (4 characters)
- Chapter
- VI · G00–G99
- Classification
- WHO ICD-10, 2019 version
What G11.9 includes
Conditions and terms that are coded here.
- Hereditary cerebellar:
- ataxia NOS
- degeneration
- disease
- syndrome
G11.9 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
G11.9Uspesifisert arvelig ataksi
DG119Arvelig ataksi UNS
G11.9Määrittämätön perinnöllinen ataksia
G11.9Hereditäre Ataxie, nicht näher bezeichnet
G11.9Ataxie héréditaire, sans précision
G11.9hereditaire ataxie, niet-gespecificeerd
G11.9Hereditary ataxia, unspecified
Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.
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