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O91.1

⚠ Non-billable (Header)

Abscess of breast associated with pregnancy, the puerperium and lactation

Pregnancy, childbirth and the puerperium (O00-O9A)

⚠️ This is a category header code — not billable. Use a more specific child code below.

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📋 Code Instructions

from O91
  • • code to identify infection
✅ No additional coding notes for O91.1

Child Codes (3)

O91.11Abscess of breast associated with pregnancyO91.12Abscess of breast associated with the puerperiumO91.13Abscess of breast associated with lactation

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Code Information

CodeO91.1
BillableNo — Header code
ParentO91
CategoryPregnancy, childbirth and the puerperium (O00-O9A)
Excludes10 rule(s)
Excludes20 note(s)
Child codes3

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)