Current

O91 — Infections of breast associated with pregnancy, the puerperium and lactation

Part of Chapter 15: Pregnancy, childbirth and the puerperium , block Complications predominantly related to the puerperium (O85-O92) .

Official Notes

Use Additional Code

code to identify infection

Child Codes

O91.0 Infection of nipple associated with pregnancy, the puerperium and lactation Has subcodes
O91.1 Abscess of breast associated with pregnancy, the puerperium and lactation Has subcodes
O91.2 Nonpurulent mastitis associated with pregnancy, the puerperium and lactation Has subcodes

Referenced By

Official notes on these codes cite O91.

N61 Inflammatory disorders of breast

FY 2027 effective October 1, 2026 · CDC NCHS and CMS