2027 ICD-10-CM Diagnosis Code Q83.8Other congenital malformations of breast
ICD-10-CM Codes›Q00-Q99›Q80-Q89›Q83
- Billable — Valid for Submission
- POA Exempt
- Chronic Condition
Q83.8 is a billable ICD-10-CM diagnosis code for other congenital malformations of breast. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 600 through 601. The code is exempt from POA reporting. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Other specified and unspecified congenital anomalies.
Code Identity
Code Classification
Present on Admission (POA)Billing
Q83.8 is exempt from POA reporting on inpatient claims to general acute care hospitals. Review the other POA exempt codes in Other congenital malformations (Q80-Q89).
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Abnormal retraction of nipple
- Aplasia of breast
- Bilateral congenital breast absence
- Breasts asymmetrical
- Congenital abnormal retraction of nipple
- Congenital absence of mammary gland with normal nipple-areolar complex
- Congenital asymmetry of breasts
- Congenital deformity of breast
- Congenital hypoplasia of areola
- Congenital hypoplasia of bilateral breast
- Congenital hypoplasia of breast
- Congenital hypoplasia of left breast
- Congenital hypoplasia of left side of chest
- Congenital hypoplasia of right breast
- Congenital hypoplasia of right side of chest
- Congenital inversion of nipple
- Congenital retraction of nipple
- Ectopic breast tissue
- Hypoplasia of nipple
- Inversion of nipple
- Joint contracture, webbed neck, micrognathia, hypoplastic nipple syndrome
- Limb mammary syndrome
- Neck webbing
- Nipple deformity
- Symmetry of breasts - finding
- Tubular breast
Instructional NotesGuidance
Instructions from the official ICD-10-CM Tabular List that apply to Q83.8: its own notes plus those printed at Q83 and 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.
Notes
General instructions on how these codes are used.
- 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 Q83.8, its category, or a range that includes it.
Index to Diseases and InjuriesGuidance
Alphabetical index entries that point to this code.
Aberrant (congenital) See Also: Malposition, congenital;
breast Q83.8
congenital Q83.8
Malformation (congenital) See Also: Anomaly;
specified type NEC Q83.8
breast Q83.8
congenital Q83.8
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
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.
Convert Q83.8 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About Q83.8Overview
What is the ICD-10 code for other congenital malformations of breast?
The ICD-10-CM code for other congenital malformations of breast is Q83.8 (sometimes written as Q838). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
Is Q83.8 (Congenital malformations of breast) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report other congenital malformations of breast on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
What MS-DRG does Q83.8 group to?
When other congenital malformations of breast is the principal diagnosis on an inpatient stay, it groups to MS-DRG 600, 601, with relative weights from 0.6014 to 0.9971 depending on complications. Higher weights mean higher Medicare reimbursement.
Is Q83.8 exempt from POA reporting?
Yes. CMS lists this code among those exempt from present on admission reporting, so hospitals do not assign a POA indicator for other congenital malformations of breast on inpatient claims. The code appears in the Other congenital malformations (Q80-Q89) range of the CMS exempt list.
What is the ICD-9 equivalent of Q83.8?
Under the General Equivalence Mappings, other congenital malformations of breast converts to ICD-9-CM 757.6 (cong breast anomaly NEC). The mapping is approximate, so confirm the match fits the documentation.
