G11Hereditary ataxia
Code usage status
Primary diagnosis
Select a more specific code
Apply only when it matches the confirmed diagnosis and the documented clinical record.
Specificity
Do not use G11 directly
Use the most specific code supported by the record.
- Chapter VI
- Diseases of the nervous system
- Official Vietnamese name
- Mất điều hòa vận động [thất điều] di truyền
- Additional WHO coding guidance
- Excl.: cerebral palsy (G80.-) hereditary and idiopathic neuropathy (G60.-) metabolic disorders (E70-E90)
Related G11 codes
G11.0
Primary diagnosis candidate
Congenital nonprogressive ataxia
G11.1
Primary diagnosis candidate
Early-onset cerebellar ataxia
G11.2
Primary diagnosis candidate
Late-onset cerebellar ataxia
G11.3
Primary diagnosis candidate
Cerebellar ataxia with defective DNA repair
G11.4
Primary diagnosis candidate
Hereditary spastic paraplegia
G11.8
Primary diagnosis candidate
Other hereditary ataxias
G11.9
Primary diagnosis candidate
Hereditary ataxia, unspecified
Clinical record checklist
View coding guide →- Confirm that the code matches the final documented diagnosis.
- Use one primary-diagnosis code and record only relevant additional conditions.
- Review Ministry indicators, inclusions, exclusions and notes.
- Do not infer a diagnosis beyond the clinical record.
2026 regulatory basis
Indicators are taken from columns 24–29 of the classification accompanying Circular 06/2026/TT-BYT, cross-referenced with Decision 1849/QĐ-BYT and Official Dispatch 4059/BYT-BH.
