Infections of breast associated with pregnancy, the puerperium and lactation
Non-billable header
O91 is a non-billable header code. Use one of the more specific codes below.
Inclusion terms
Includes
- Note: CODES FROM THIS CHAPTER ARE FOR USE ONLY ON MATERNAL RECORDS, NEVER ON NEWBORN RECORDS
- Note: Codes from this chapter are for use for conditions related to or aggravated by the pregnancy, childbirth, or by the puerperium (maternal causes or obstetric causes)
- Note: Trimesters are counted from the first day of the last menstrual period. They are defined as follows:
- Note: 1st trimester- less than 14 weeks 0 days
- Note: 2nd trimester- 14 weeks 0 days to less than 28 weeks 0 days
- Note: 3rd trimester- 28 weeks 0 days until delivery
Excludes1
Not coded here — never report together with this code.
- supervision of normal pregnancy (Z34.-)
Excludes2
Not included here — may be reported together when both conditions exist.
Use additional code
Add a code to identify the following, if applicable.
- code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.
- code to identify infection
More specific codes O91
Related codes
- O85Puerperal sepsisBillable
- O86Other puerperal infectionsHeader
- O87Venous complications and hemorrhoids in the puerperiumHeader
- O88Obstetric embolismHeader
- O89Complications of anesthesia during the puerperiumHeader
- O90Complications of the puerperium, not elsewhere classifiedHeader
- O92Other disorders of breast and disorders of lactation associated with pregnancy and the puerperiumHeader