Z91.4Personal history of psychological trauma, not elsewhere classified
Code usage status
Primary diagnosis
May 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.
- Group Z80-Z99
- influencing health potential health hazards related to family and personal history and certain conditions
- Official Vietnamese name
- Tiền sử cá nhân có sang chấn tâm lý, không phân loại mục khác
Related Z91 codes
Z91
Personal history of risk-factors, not elsewhere classified
Z91.0
Primary diagnosis candidate
Personal history of allergy, other than to drugs and biological substances
Z91.1
Primary diagnosis candidate
Personal history of noncompliance with medical treatment and regimen
Z91.2
Primary diagnosis candidate
Personal history of poor personal hygiene
Z91.3
Primary diagnosis candidate
Personal history of unhealthy sleep- wake schedule
Z91.5
Primary diagnosis candidate
Personal history of self-harm
Z91.6
Primary diagnosis candidate
Personal history of other physical trauma
Z91.7
Primary diagnosis candidate
Personal history of female genital mutilation
Z91.8
Primary diagnosis candidate
Personal history of other specified risk- factors, not elsewhere classified
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.
