O91.11 Abscess of breast associated with pregnancy

Non-billable header with 4 child codes.

Applicable to

• Gestational mammary abscess
• Gestational purulent mastitis
• Gestational subareolar abscess

Applies from O91 Infections of breast associated with pregnancy, the puerperium and lactation

Use additional code

• code to identify infection

Codes under O91.11

• 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

Code annotations containing back-references to O91.11

Back-references to O91

• Type 1 Excludes: N61 Inflammatory disorders of breast ("inflammatory disorder of breast associated with childbirth (O91.-)")

Diagnosis Index entries for O91.11

• Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic) › gestational mammary
• Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic) › gestational subareolar
• Gestational › mammary abscess
• Gestational › purulent mastitis
• Gestational › subareolar abscess
• Mastitis (acute) (diffuse) (nonpuerperal) (subacute) › obstetric (interstitial) (nonpurulent) › purulent › associated with › pregnancy
• Pregnancy (single) (uterine) › complicated by (care of) (management affected by) › abscess or cellulitis › breast

Nearby codes

• 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
• O91.1 Abscess of breast associated with pregnancy, the puerperium and lactation
• O91.11 Abscess of breast associated with pregnancy (this code)
• 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