Q83

Header — not billable

Congenital malformations of breast

The ICD-10 code for congenital malformations of breast is Q83.

Q83 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 6 more specific codes below.

Clinical notes

Excludes2 (not included here)

An Excludes2 note means the excluded condition is not part of this one, but a patient can have both at the same time — in that case both codes may be reported together.

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

Documentation support

General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.

•This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
•As a general rule, code to the highest level of specificity supported by the documentation in the medical record.

Q83

Clinical notes

Excludes2 (not included here)

Documentation support

Child codes under Q83

Related codes in this category