O91.22
BillableNonpurulent mastitis associated with the puerperium
This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).
What This Code Means
Inflammation of breast tissue without pus formation that occurs after delivery, typically within the first few weeks postpartum.
Coding Tips
- •Puerperium period is approximately 6 weeks postpartum; confirm timing in documentation
- •Nonpurulent indicates absence of abscess; if pus collection is present, use O91.12 instead
Code Hierarchy
└O91Infections of breast associated with pregnancy, the puerperium and lactation└O91.2Nonpurulent mastitis associated with pregnancy, the puerperium and lactation└O91.22Nonpurulent mastitis associated with the puerperium
└O91.22Nonpurulent mastitis associated with the puerperium