VITiếng Việt
ICD-10 Vietnam

B85.4Mixed pediculosis and phthiriasis

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.

Chapter I
Certain infectious and parasitic diseases
Group B85-B89
Pediculosis, acariasis and other infestations
Official Vietnamese name
Bệnh đồng nhiễm chấy và rận
Additional WHO coding guidance
Infestation classifiable to more than one of the categories B85.0-

Related B85 codes

B85 Pediculosis and phthiriasis B85.0 Primary diagnosis candidate Pediculosis due to Pediculus humanus capitis B85.1 Primary diagnosis candidate Pediculosis due to Pediculus humanus corporis B85.2 Primary diagnosis candidate Pediculosis, unspecified B85.3 Primary diagnosis candidate Phthiriasis

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.