Q83.9Billable

Congenital malformation of breast, unspecified

Chapter
17. Congenital malformations, deformations and chromosomal abnormalities
Category
Q83
Effective date
October 1, 2026

Related codes in category Q83

Q83Congenital malformations of breastQ83.0Congenital absence of breast with absent nippleYesQ83.1Accessory breastYesQ83.2Absent nippleYesQ83.3Accessory nippleYesQ83.8Other congenital malformations of breastYes

Frequently asked questions

What is ICD-10 code Q83.9?

Q83.9 is an ICD-10-CM diagnosis code for Congenital malformation of breast, unspecified.

Is Q83.9 a billable code?

Yes. Q83.9 is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is Q83.9 in?

Q83.9 falls under Chapter 17: Congenital malformations, deformations and chromosomal abnormalities.

When did Q83.9 become effective?

Q83.9 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to Q83.9?

Q83.9 belongs to category Q83, which includes 6 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.