O91.13

✓ Billable

Abscess of breast associated with lactation

Pregnancy, childbirth and the puerperium (O00-O9A)

Also Known As

Mammary abscess associated with lactationPurulent mastitis associated with lactationSubareolar abscess associated with lactation

✅ No additional coding notes for O91.13

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Code Information

CodeO91.13

BillableYes

ParentO91.1

CategoryPregnancy, childbirth and the puerperium (O00-O9A)

Excludes10 rule(s)

Excludes20 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)