Z04.0Blood-alcohol and blood-drug test
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.
- Official Vietnamese name
- Xét nghiệm phát hiện rượu và/hoặc ma túy trong máu
- Additional WHO coding guidance
- Excl.: presence of: alcohol in blood (R78.0) drugs in blood (R78.-)
Related Z04 codes
Z04
Examination and observation for other reasons
Z04.1
Primary diagnosis candidate
Examination and observation following transport accident
Z04.2
Primary diagnosis candidate
Examination and observation following work accident
Z04.3
Primary diagnosis candidate
Examination and observation following other accident
Z04.4
Primary diagnosis candidate
Examination and observation following alleged rape and seduction
Z04.5
Primary diagnosis candidate
Examination and observation following other inflicted injury
Z04.6
Primary diagnosis candidate
General psychiatric examination, requested by authority
Z04.8
Primary diagnosis candidate
Examination and observation for other specified reasons
Z04.9
Primary diagnosis candidate
Examination and observation for unspecified reason
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.
