Z27Need for immunization against combinations of infectious 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 Z27 directly
Use the most specific code supported by the record.
- Official Vietnamese name
- Nhu cầu tiêm chủng phòng các bệnh nhiễm trùng kết hợp
- Additional WHO coding guidance
- Excl.: immunization not carried out (Z28.-)
Related Z27 codes
Z27.0
Primary diagnosis candidate
Need for immunization against cholera with typhoid- paratyphoid [cholera + TAB]
Z27.1
Primary diagnosis candidate
Need for immunization against diphtheria- tetanus-pertussis, combined [DTP]
Z27.2
Primary diagnosis candidate
Need for immunization against diphtheria- tetanus-pertussis with typhoid- paratyphoid [DTP + TAB]
Z27.3
Primary diagnosis candidate
Need for immunization against diphtheria- tetanus-pertussis with poliomyelitis [DTP + polio]
Z27.4
Primary diagnosis candidate
Need for immunization against measles- mumps-rubella [MMR]
Z27.8
Primary diagnosis candidate
Need for immunization against other combinations of infectious diseases
Z27.9
Primary diagnosis candidate
Need for immunization against unspecified combinations of infectious diseases
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.
