VITiếng Việt
ICD-10 Vietnam

Z81Family history of mental and behavioural 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 Z81 directly

Use the most specific code supported by the record.

Chapter XXI
Factors influencing health status and contact with health services
Group Z80-Z99
influencing health potential health hazards related to family and personal history and certain conditions
Official Vietnamese name
Tiền sử gia đình có rối loạn tâm thần và/hoặc hành vi

Related Z81 codes

Z81.0 Primary diagnosis candidate Family history of mental retardation Z81.1 Primary diagnosis candidate Family history of alcohol abuse Z81.2 Primary diagnosis candidate Family history of tobacco abuse Z81.3 Primary diagnosis candidate Family history of other psychoactive substance abuse Z81.4 Primary diagnosis candidate Family history of other substance abuse Z81.8 Primary diagnosis candidate Family history of other mental and behavioural disorders

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.