Z84.0Family history of diseases of the skin and subcutaneous tissue
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 gia đình có bệnh về da và/hoặc mô dưới da
- Additional WHO coding guidance
- Conditions classifiable to L00-L99
Related Z84 codes
Z84
Family history of other conditions
Z84.1
Primary diagnosis candidate
Family history of disorders of kidney and ureter
Z84.2
Primary diagnosis candidate
Family history of other diseases of the genitourinary system
Z84.3
Primary diagnosis candidate
Family history of consanguinity
Z84.8
Primary diagnosis candidate
Family history of other specified conditions
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.