Q83: Congenital malformations of breast
Codes under Q83 (Congenital malformations of breast). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| Q83.0 | Congenital absence of breast with absent nipple | ✓ |
| Q83.0 | Congenital absence of breast with absent nipple | ✓ |
| Q83.1 | Accessory breast | ✓ |
| Q83.1 | Accessory breast | ✓ |
| Q83.2 | Absent nipple | ✓ |
| Q83.2 | Absent nipple | ✓ |
| Q83.3 | Accessory nipple | ✓ |
| Q83.3 | Accessory nipple | ✓ |
| Q83.8 | Other congenital malformations of breast | ✓ |
| Q83.8 | Other congenital malformations of breast | ✓ |
| Q83.9 | Congenital malformation of breast, unspecified | ✓ |
| Q83.9 | Congenital malformation of breast, unspecified | ✓ |
Frequently asked questions
What is ICD-10-CM code Q83?
Q83 is an ICD-10-CM category covering Congenital malformations of breast. It contains 12 more specific diagnosis codes, 12 of which are billable.
Is Q83 a billable code?
No — Q83 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example Q83.0 — Congenital absence of breast with absent nipple). 12 of the 12 codes under Q83 are billable.
What codes fall under Q83?
Q83 includes Q83.0, Q83.0, Q83.1, Q83.1, Q83.2, plus 7 more. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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