O91 Infect of breast assoc w pregnancy, the puerp and lactation
ICD-10-CM category O91 sits in Chapter 15 (Pregnancy, childbirth and the puerperium, O00-O9A). It contains 18 billable codes for FY2027, effective October 1, 2026 to September 30, 2027. Always code to the most specific code available: a code with more characters that describes the diagnosis more precisely takes priority over a shorter one.
Subcategories
O91.0 Infct of nipple assoc w pregnancy, the puerp and lactationO91.01 Infection of nipple associated with pregnancyO91.1 Abscess of breast assoc w pregnancy, the puerp and lactationO91.11 Abscess of breast associated with pregnancyO91.2 Nonpurulent mastitis assoc w preg, the puerp and lactationO91.21 Nonpurulent mastitis associated with pregnancy
Billable codes in O91
| Code | Description |
|---|---|
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 |
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 |
O91.211 | Nonpurulent mastitis associated with pregnancy, first trimester |
O91.212 | Nonpurulent mastitis associated with pregnancy, second trimester |
O91.213 | Nonpurulent mastitis associated with pregnancy, third trimester |
O91.219 | Nonpurulent mastitis associated with pregnancy, unspecified trimester |
O91.22 | Nonpurulent mastitis associated with the puerperium |
O91.23 | Nonpurulent mastitis associated with lactation |
Search within ICD-10-CM for O91 and related codes
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