F02.2*Dementia in Huntington disease (G10)
Code usage status
Primary diagnosis
Must not be used as the primary diagnosis
Apply only when it matches the confirmed diagnosis and the documented clinical record.
Specificity
Complete code in the classification
Use when the diagnosis matches and no exclusion applies.
- Chapter V
- Mental and behavioural disorders
- Group F00-F09
- Organic, including symptomatic, mental disorders
- Official Vietnamese name
- Sa sút trí tuệ do bệnh Huntington (G10)
- Additional WHO coding guidance
- A dementia occurring as part of a widespread degeneration of the brain. The disorder is transmitted by a single autosomal dominant gene. Symptoms typically emerge in the third and fourth decade. Progression is slow, leading to death usually within 10 to 15 years. Dementia in Huntington chorea
Related F02 codes
F02*
Dementia in other diseases classified elsewhere
F02.0*
Dementia in Pick disease (G31.0)
F02.1*
Dementia in Creutzfeldt-Jakob disease (A81.0)
F02.3*
Dementia in Parkinson disease (G20)
F02.4*
Dementia in human immunodeficiency virus [HIV] disease (B22.0)
F02.8*
Dementia in other specified diseases classified elsewhere
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.
