Q83.1: Accessory breast
Q83.1 is the billable ICD-10-CM diagnosis code for Accessory breast. It is a fully specified code, so it can be reported on a claim (subject to clinical documentation and your payer's rules).
Frequently asked questions
What is ICD-10-CM code Q83.1?
Q83.1 is the ICD-10-CM diagnosis code for Accessory breast. It belongs to category Q83 (Congenital malformations of breast).
Is Q83.1 a billable code?
Yes. Q83.1 is a billable, fully specified ICD-10-CM code, so it can be used on a claim (subject to documentation and payer rules).
What category does Q83.1 belong to?
Q83.1 is part of ICD-10-CM category Q83 — Congenital malformations of breast, which has 12 billable codes.
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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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