VITiếng Việt
ICD-10 Vietnam

Q83.1Accessory breast

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 XVII
Congenital malformations, deformations and chromosomal abnormalities
Group Q80-Q89
Other congenital malformations
Official Vietnamese name
Dị dạng vú phụ
Additional WHO coding guidance
Supernumerary breast

Related Q83 codes

Q83 Congenital malformations of breast Q83.0 Primary diagnosis candidate Congenital absence of breast with absent nipple Q83.2 Primary diagnosis candidate Absent nipple Q83.3 Primary diagnosis candidate Accessory nipple Q83.8 Primary diagnosis candidate Other congenital malformations of breast Q83.9 Primary diagnosis candidate Congenital malformation of breast, unspecified

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.