O91.2 Nonpurulent mastitis associated with pregnancy, the puerperium and lactationNon-billable header with 3 child codes.
O91.21 Nonpurulent mastitis associated with pregnancyO91.22 Nonpurulent mastitis associated with the puerperiumO91.23 Nonpurulent mastitis associated with lactationL03.31 Cellulitis of trunk ("puerperal cellulitis of breast (O91.2)")N61 Inflammatory disorders of breast ("inflammatory disorder of breast associated with childbirth (O91.-)")O91.112 Abscess of breast associated with pregnancy, second trimesterO91.113 Abscess of breast associated with pregnancy, third trimesterO91.119 Abscess of breast associated with pregnancy, unspecified trimesterO91.12 Abscess of breast associated with the puerperiumO91.13 Abscess of breast associated with lactationO91.2 Nonpurulent mastitis associated with pregnancy, the puerperium and lactation (this code)O91.21 Nonpurulent mastitis associated with pregnancyO91.211 Nonpurulent mastitis associated with pregnancy, first trimesterO91.212 Nonpurulent mastitis associated with pregnancy, second trimesterO91.213 Nonpurulent mastitis associated with pregnancy, third trimesterO91.219 Nonpurulent mastitis associated with pregnancy, unspecified trimester