F22Persistent delusional disorders
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 F22 directly
Use the most specific code supported by the record.
- Chapter V
- Mental and behavioural disorders
- Group F20-F29
- Schizophrenia, schizotypal and delusional disorders
- Official Vietnamese name
- Rối loạn hoang tưởng dai dẳng
- Additional WHO coding guidance
- Includes a variety of disorders in which long- standing delusions constitute the only, or the most conspicuous, clinical characteristic and which cannot be classified as organic, schizophrenic or affective. Delusional disorders that have lasted for less than a few months should be classified, at least temporarily, under F23.++
Related F22 codes
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.