O91 - Infections of breast associated with pregnancy, the puerperium and lactation
O91.0 - Infection of nipple associated with pregnancy, the puerperium and lactation
O91.01 - Infection of nipple associated with pregnancy
O91.011 - Infection of nipple associated with pregnancy, first trimester
O91.012 - Infection of nipple associated with pregnancy, second trimester
O91.013 - Infection of nipple associated with pregnancy, third trimester
O91.019 - Infection of nipple associated with pregnancy, unspecified trimester
O91.02 - Infection of nipple associated with the puerperium
O91.03 - Infection of nipple associated with lactation