F11Mental and behavioural disorders due to use of opioids
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 F11 directly
Use the most specific code supported by the record.
- Chapter V
- Mental and behavioural disorders
- Official Vietnamese name
- Rối loạn tâm thần và/hoặc hành vi do sử dụng chất dạng thuốc phiện
- Additional WHO coding guidance
- [See before F10 for subdivisions]
Related F11 codes
F11.0
Primary diagnosis candidate
Mental and behavioural disorders due to use of opioids, acute intoxication
F11.1
Primary diagnosis candidate
Mental and behavioural disorders due to use of opioids, harmful use
F11.2
Primary diagnosis candidate
Mental and behavioural disorders due to use of opioids, dependence syndrome
F11.3
Primary diagnosis candidate
Mental and behavioural disorders due to use of opioids, withdrawal state
F11.4
Primary diagnosis candidate
Mental and behavioural disorders due to use of opioids, withdrawal state with delirium
F11.5
Primary diagnosis candidate
Mental and behavioural disorders due to use of opioids, psychotic disorder
F11.6
Primary diagnosis candidate
Mental and behavioural disorders due to use of opioids, amnesic syndrome
F11.7
Primary diagnosis candidate
Mental and behavioural disorders due to use of opioids, residual and late- onset psychotic disorder
F11.8
Primary diagnosis candidate
Mental and behavioural disorders due to use of opioids, other mental and behavioural disorders
F11.9
Primary diagnosis candidate
Mental and behavioural disorders due to use of opioids, unspecified mental and behavioural disorder
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.
