O91.13
Billable
ChapterO00–O9A
Ranksubcategory
Official Description
Abscess of breast associated with lactation
Metadata & Insights
- •2026 ICD-10-CM Edition - Effective October 1, 2025.
- •Billable/specific code (valid for reimbursement).
- •Chapter 15: Pregnancy, Childbirth and the Puerperium (O00-O9A).
Instructional Notes
Includes
- Mammary abscess associated with lactation
- Purulent mastitis associated with lactation
- Subareolar abscess associated with lactation
General instructions are available for the parent sections:
Clinical Hierarchy
CH15Pregnancy, childbirth and the puerperium (O00-O9A)
O85-O92Complications predominantly related to the puerperium (O85-O92)
O91Infections of breast associated with pregnancy, the puerperium and lactation
O91.1Abscess of breast associated with pregnancy, the puerperium and lactation
O91.13Abscess of breast associated with lactation
Applicable Ancestor Context
The following parent sections contain instructions or notes that apply to O91.13:
categoryO91
Infections of breast associated with pregnancy, the puerperium and lactation
View context instructionsblockO85-O92
Complications predominantly related to the puerperium (O85-O92)
View context instructionsAlphabetic Index Mentions
These are Diagnosis Index lookup paths that route to O91.13. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.
7 raw paths
Mastitis (acute) (diffuse) (nonpuerperal) (subacute)1 unique routes
Puerperal, puerperium (complicated by, complications)5 unique routes
MS-DRG Classification
This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:
Cross Reference
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