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Q83

Non-billable

Congenital malformations of breast

Q83 is the ICD-10-CM code for Congenital malformations of breast. It is a non-billable category code — use a more specific child code such as Q83.0 for billing.

Status
Header (non-billable)
Chapter
Q00-Q99
Subcodes
6
Edition
FY2026

Q00-Q99 Congenital malformations, deformations and chromosomal abnormalities

Excludes2 — not included here

  • •absence of pectoral muscle (Q79.8)
  • •hypoplasia of breast (N64.82)
  • •micromastia (N64.82)

Frequently asked questions

What is ICD-10 code Q83?
Q83 is the ICD-10-CM code for "Congenital malformations of breast". It falls under Q00-Q99 Congenital malformations, deformations and chromosomal abnormalities.
Is Q83 a billable code?
No — Q83 is a non-billable header code. Use a more specific child code (such as Q83.0) for billing.
What are the subcodes of Q83?
Q83 has 6 more specific child codes, including Q83.0, Q83.1, Q83.2.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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