O91

Non-Billable

Infections of breast associated with pregnancy, the puerperium and lactation

O91 should not be used for reimbursement purposes as there are multiple sub-diagnoses that fall under this code. Please refer to the sub-diagnoses below.

Related Diagnoses

  • O91.0Infection of nipple associated with pregnancy, the puerperium and lactation
    • O91.01Infection of nipple associated with pregnancy
      • O91.011Infection of nipple associated with pregnancy, first trimester
      • O91.012Infection of nipple associated with pregnancy, second trimester
      • O91.013Infection of nipple associated with pregnancy, third trimester
      • O91.019Infection of nipple associated with pregnancy, unspecified trimester
    • O91.02Infection of nipple associated with the puerperium
    • O91.03Infection of nipple associated with lactation
  • O91.1Abscess of breast associated with pregnancy, the puerperium and lactation
    • O91.11Abscess of breast associated with pregnancy
      • O91.111Abscess of breast associated with pregnancy, first trimester
      • O91.112Abscess of breast associated with pregnancy, second trimester
      • O91.113Abscess of breast associated with pregnancy, third trimester
      • O91.119Abscess of breast associated with pregnancy, unspecified trimester
    • O91.12Abscess of breast associated with the puerperium
    • O91.13Abscess of breast associated with lactation
  • O91.2Nonpurulent mastitis associated with pregnancy, the puerperium and lactation
    • O91.21Nonpurulent mastitis associated with pregnancy
      • O91.211Nonpurulent mastitis associated with pregnancy, first trimester
      • O91.212Nonpurulent mastitis associated with pregnancy, second trimester
      • O91.213Nonpurulent mastitis associated with pregnancy, third trimester
      • O91.219Nonpurulent mastitis associated with pregnancy, unspecified trimester
    • O91.22Nonpurulent mastitis associated with the puerperium
    • O91.23Nonpurulent mastitis associated with lactation