MCMedicalCodingSoftware
O91.01

O91.01: Infection of nipple associated with pregnancy

Non-billable headerICD-10-CM

O91.01 is a non-billable header ICD-10-CM code for infection of nipple associated with pregnancy. It cannot be billed on its own: choose one of the more specific child codes below.

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Gestational abscess of nipple

Other codes that can never be billed with O91.01

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • N61Inflammatory disorders of breast

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead O91.01

4 child codes. Green means billable.

Other codes under O91.0

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.