B81.4Mixed intestinal helminthiases
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 B65-B83
- Helminthiases
- Official Vietnamese name
- Bệnh nhiễm giun sán ruột phối hợp
- Additional WHO coding guidance
- Infection due to intestinal helminths classifiable to more than one of the categories B65.0-B81.3 and B81.8 Mixed helminthiasis NOS
Related B81 codes
B81
Other intestinal helminthiases, not elsewhere classified
B81.0
Primary diagnosis candidate
Anisakiasis
B81.1
Primary diagnosis candidate
Intestinal capillariasis
B81.2
Primary diagnosis candidate
Trichostrongyliasis
B81.3
Primary diagnosis candidate
Intestinal angiostrongyliasis
B81.8
Primary diagnosis candidate
Other specified intestinal helminthiases
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.
