G24Dystonia
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 G24 directly
Use the most specific code supported by the record.
- Chapter VI
- Diseases of the nervous system
- Group G20-G26
- Extrapyramidal and movement disorders
- Official Vietnamese name
- Loạn trương lực cơ
- Additional WHO coding guidance
- Incl.: dyskinesia Excl.: athetoid cerebral palsy (G80.3)
Related G24 codes
G24.0
Primary diagnosis candidate
Drug-induced dystonia
G24.1
Primary diagnosis candidate
Idiopathic familial dystonia
G24.2
Primary diagnosis candidate
Idiopathic nonfamilial dystonia
G24.3
Primary diagnosis candidate
Spasmodic torticollis
G24.4
Primary diagnosis candidate
Idiopathic orofacial dystonia
G24.5
Primary diagnosis candidate
Blepharospasm
G24.8
Primary diagnosis candidate
Other dystonia
G24.9
Primary diagnosis candidate
Dystonia, 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.