Category O91
Non-Billable Category
FY2027 Dataset
O91: Infect of breast assoc w pregnancy, the puerp and lactation
Parent Chapter: Chapter 15: Pregnancy, childbirth and the puerperium
Notice on Coding Specificity: Category O91 is a 3-character heading and cannot be reported directly on healthcare claims. You must assign one of the specific child codes listed below.
Specific Child Codes in Category O91
| Code | Official Descriptor | Status | Action |
|---|---|---|---|
| O91.011 | Infection of nipple associated w pregnancy, first trimester | Billable Code | View Code |
| O91.012 | Infection of nipple associated w pregnancy, second trimester | Billable Code | View Code |
| O91.013 | Infection of nipple associated w pregnancy, third trimester | Billable Code | View Code |
| O91.019 | Infection of nipple associated w pregnancy, unsp trimester | Billable Code | View Code |
| O91.02 | Infection of nipple associated with the puerperium | Billable Code | View Code |
| O91.03 | Infection of nipple associated with lactation | Billable Code | View Code |
| O91.111 | Abscess of breast associated with pregnancy, first trimester | Billable Code | View Code |
| O91.112 | Abscess of breast associated w pregnancy, second trimester | Billable Code | View Code |
| O91.113 | Abscess of breast associated with pregnancy, third trimester | Billable Code | View Code |
| O91.119 | Abscess of breast associated with pregnancy, unsp trimester | Billable Code | View Code |
| O91.12 | Abscess of breast associated with the puerperium | Billable Code | View Code |
| O91.13 | Abscess of breast associated with lactation | Billable Code | View Code |
| O91.211 | Nonpurulent mastitis associated w pregnancy, first trimester | Billable Code | View Code |
| O91.212 | Nonpurulent mastitis assoc w pregnancy, second trimester | Billable Code | View Code |
| O91.213 | Nonpurulent mastitis associated w pregnancy, third trimester | Billable Code | View Code |
| O91.219 | Nonpurulent mastitis associated w pregnancy, unsp trimester | Billable Code | View Code |
| O91.22 | Nonpurulent mastitis associated with the puerperium | Billable Code | View Code |
| O91.23 | Nonpurulent mastitis associated with lactation | Billable Code | View Code |
| O91 | Infect of breast assoc w pregnancy, the puerp and lactation | Non-Billable | View Code |
| O91.0 | Infct of nipple assoc w pregnancy, the puerp and lactation | Non-Billable | View Code |
| O91.01 | Infection of nipple associated with pregnancy | Non-Billable | View Code |
| O91.1 | Abscess of breast assoc w pregnancy, the puerp and lactation | Non-Billable | View Code |
| O91.11 | Abscess of breast associated with pregnancy | Non-Billable | View Code |
| O91.2 | Nonpurulent mastitis assoc w preg, the puerp and lactation | Non-Billable | View Code |
| O91.21 | Nonpurulent mastitis associated with pregnancy | Non-Billable | View Code |