InnovaRx Innova Health Strategies
Pricing Sign in

Q83.9

Congenital malformation of breast, unspecified

Billable FY2026 2025-10-01 → 2026-09-30
This is the unspecified option. 5 more specific codes sit alongside it. Worth checking whether the documentation supports one of them.
Exclusions 3 never code together
Q83code
Excludes2
  • absence of pectoral muscle (Q79.8)Q79.8
  • hypoplasia of breast (N64.82)N64.82
  • micromastia (N64.82)N64.82

Excludes2 — not included here, but the patient may have both. Code both when documented.

Instructional notes

No further instructional notes apply.

Index entries leading here 3
  • Anomaly, anomalous (congenital) (unspecified type) Q89.9
  • Malformation (congenital) — see also Anomaly
  • Deformity Q89.9
Alongside this code 5 same parent — Q83
Q83.0 Congenital absence of breast with absent nipple Q83.1 Accessory breast Q83.2 Absent nipple Q83.3 Accessory nipple Q83.8 Other congenital malformations of breast
Additional references
AHA Coding Clinic® Licence required

Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.

Risk adjustment

Maps to no condition category in any loaded model.

Presence is a property of the code. Untick a model to hide it everywhere.

This code

Billable
yes
Code set
FY2026
Parent
Q83
Block
Q80-Q89
Siblings
5

Present FY2024–FY2027.