Z86Personal history of certain other diseases
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 Z86 directly
Use the most specific code supported by the record.
- 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 một số bệnh khác
- Additional WHO coding guidance
- Excl.: follow-up medical care and convalescence (Z42- Z51, Z54.-)
Related Z86 codes
Z86.0
Primary diagnosis candidate
Personal history of other neoplasms
Z86.1
Primary diagnosis candidate
Personal history of infectious and parasitic diseases
Z86.2
Primary diagnosis candidate
Personal history of diseases of the blood and blood- forming organs and certain disorders involving the immune mechanism
Z86.3
Primary diagnosis candidate
Personal history of endocrine, nutritional and metabolic diseases
Z86.4
Primary diagnosis candidate
Personal history of psychoactive substance abuse
Z86.5
Primary diagnosis candidate
Personal history of other mental and behavioural disorders
Z86.6
Primary diagnosis candidate
Personal history of diseases of the nervous system and sense organs
Z86.7
Primary diagnosis candidate
Personal history of diseases of the circulatory system
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.
