O91 - Infections of breast associated with pregnancy, the puerperium and lactation
O91.1 - Abscess of breast associated with pregnancy, the puerperium and lactation
O91.11 - Abscess of breast associated with pregnancy
O91.111 - Abscess of breast associated with pregnancy, first trimester
O91.112 - Abscess of breast associated with pregnancy, second trimester
O91.113 - Abscess of breast associated with pregnancy, third trimester
O91.119 - Abscess of breast associated with pregnancy, unspecified trimester
O91.12 - Abscess of breast associated with the puerperium
O91.13 - Abscess of breast associated with lactation