VITiếng Việt
ICD-10 Vietnam

O91Infections of breast associated with childbirth

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 O91 directly

Use the most specific code supported by the record.

Chapter XV
Pregnancy, childbirth and the puerperium
Group O85-O92
Complications predominantly related to the puerperium
Official Vietnamese name
Nhiễm trùng vú liên quan đến sinh đẻ
Additional WHO coding guidance
Incl.: the listed conditions during pregnancy, the puerperium or lactation

Related O91 codes

O91.0 Primary diagnosis candidate Infection of nipple associated with childbirth O91.1 Primary diagnosis candidate Abscess of breast associated with childbirth O91.2 Primary diagnosis candidate Nonpurulent mastitis associated with childbirth

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.