2027 ICD-10-CM Diagnosis Code Q83Congenital malformations of breast

ICD-10-CM Codes›Q00-Q99›Q80-Q89›Q83

ICD-10-CM Q83
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

Q83 is a non-billable ICD-10-CM category code for congenital malformations of breast, so it cannot be submitted on claims. Use a more specific code from this category instead, such as Q83.0, Q83.1, Q83.2, and Q83.3.

Code Identity

ICD-10-CM Code
Q83
Billable Status
No — Non-Billable Category
Code Describes
Congenital malformations of breast
Short Description
Congenital malformations of breast
Same as the full description in the CMS dataset.
Chapter
Q80-Q89
Other congenital malformations

Code Classification

ChapterQ00-Q99Congenital malformations, deformations and chromosomal abnormalities
SectionQ80-Q89Other congenital malformations
CategoryQ83Congenital malformations of breast
This CodeQ83Congenital malformations of breast

Specific Coding for Congenital malformations of breastOverview

Non-specific codes like Q83 require more characters. Use one of these billable codes instead:

  • Use Q83.0 for Congenital absence of breast with absent nipple

  • Use Q83.1 for Accessory breast

  • Use Q83.2 for Absent nipple

  • Use Q83.3 for Accessory nipple

  • Use Q83.8 for Other congenital malformations of breast

  • Use Q83.9 for Congenital malformation of breast, unspecified

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to Q83: its own notes plus those printed at Chapter 17. A note printed at a category, block or chapter applies to every code under it.

Excludes2

Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.

On Q83 itself
From Chapter 17 (Q00-QA1) Congenital malformations, deformations and chromosomal abnormalities applies to 900 codes
  • inborn errors of metabolism (E70-E88)

Notes

General instructions on how these codes are used.

From Chapter 17 (Q00-QA1) Congenital malformations, deformations and chromosomal abnormalities applies to 900 codes
  • Codes from this chapter are not for use on maternal records

Source: CMS ICD-10-CM Tabular List. How to read instructional notes.

Referenced in Other NotesGuidance

Instructional notes printed at other codes that name Q83, its category, or a range that includes it.

Excludes1 1

These codes carry an Excludes1 note naming Q83: they are not reported together with it, unless the two conditions are unrelated.

  • P83 Other conditions of integument specific to newborn
    congenital malformations of skin and integument (Q80-Q84) names Q80-Q84, which includes this code

Patient EducationClinical

Breast Diseases

Breast diseases include various conditions and changes in your breast. Most women experience breast changes at some time. Your age, hormone levels, and medicines you take may cause lumps, bumps, and discharges of fluids that are not breast milk.

The full article covers:

  • What are breast diseases?
  • What are the symptoms of breast disease?
  • How are breast diseases diagnosed?
  • What are the treatments for breast disease?

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2026No changes
FY 2027CurrentCurrent code set, no changesEffective October 1, 2026 through September 30, 2027.

Questions About Q83Overview

What is the ICD-10 code for congenital malformations of breast?

Q83 is the ICD-10-CM category for congenital malformations of breast, but it is a non-billable header: claims need a more specific code from this category, listed on this page.

Is Q83 (Congenital malformations of breast) a billable code?

No. This is a category header that groups the codes for congenital malformations of breast, and headers cannot be submitted on claims. Claims for congenital malformations of breast need a more specific code from this category, such as Q83.0, Q83.1, and Q83.2.