O91.02

Billable

ChapterO00–O9A

Ranksubcategory

Official Description

Infection of nipple associated with the puerperium

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

Puerperal abscess of nipple

General instructions are available for the parent sections:

View CH15 Notes View O85-O92 Notes View O91 Notes

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

O91.0Infection of nipple associated with pregnancy, the puerperium and lactation

O91.02Infection of nipple associated with the puerperium

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to O91.02:

categoryO91

Infections of breast associated with pregnancy, the puerperium and lactation

View context instructions

blockO85-O92

Complications predominantly related to the puerperium (O85-O92)

View context instructions

chapterCH15

Pregnancy, childbirth and the puerperium (O00-O9A)

View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to O91.02. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

8 raw paths

Infection, infected, infective (opportunistic)1 unique routes

nipple

associated with

puerperium→O91.02

Mammillitis1 unique routes

puerperal, postpartum→O91.02

Puerperal, puerperium (complicated by, complications)6 unique routes

abscess(2 variants)

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 769

Postpartum and Post Abortion Diagnoses with O.R. Procedures

DRG 776

Postpartum and Post Abortion Diagnoses without O.R. Procedures

Cross Reference

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