B88.9Infestation, unspecified
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 B85-B89
- Pediculosis, acariasis and other infestations
- Official Vietnamese name
- Bệnh nhiễm ký sinh trùng, không xác định
- Additional WHO coding guidance
- Infestation (skin) NOS Infestation by mites NOS Skin parasites NOS
Related B88 codes
B88
Other infestations
B88.0
Primary diagnosis candidate
Other acariasis
B88.1
Primary diagnosis candidate
Tungiasis [sandflea infestation]
B88.2
Primary diagnosis candidate
Other arthropod infestations
B88.3
Primary diagnosis candidate
External hirudiniasis
B88.8
Primary diagnosis candidate
Other specified infestations
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.