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ICD-10-CM Codes
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O00-O9A
Pregnancy, childbirth and the puerperium
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O85-O92
Complications predominantly related to the puerperium
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O91-
Infections of breast associated with pregnancy, the puerperium and lactation
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2021 ICD-10-CM Diagnosis Code O91.1
2021 ICD-10-CM Diagnosis Code O91.1
Abscess of breast associated with pregnancy, the puerperium and lactation
2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
- O91.1 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
- Short description: Abscess of breast assoc w pregnancy, the puerp and lactation
- The 2021 edition of ICD-10-CM O91.1 became effective on October 1, 2020.
- This is the American ICD-10-CM version of O91.1 - other international versions of ICD-10 O91.1 may differ.
The following code(s) above
O91.1 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
- Applicable To annotations, or
- Code Also annotations, or
- Code First annotations, or
- Excludes1 annotations, or
- Excludes2 annotations, or
- Includes annotations, or
- Note annotations, or
- Use Additional annotations
that may be applicable to
O91.1:
- O00-O9A
2021 ICD-10-CM Range O00-O9A
Pregnancy, childbirth and the puerperiumNote- CODES FROM THIS CHAPTER ARE FOR USE ONLY ON MATERNAL RECORDS, NEVER ON NEWBORN RECORDS
- 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)
- Trimesters are counted from the first day of the last menstrual period. They are defined as follows:
- 1st trimester- less than 14 weeks 0 days
- 2nd trimester- 14 weeks 0 days to less than 28 weeks 0 days
- 3rd trimester- 28 weeks 0 days until delivery
Type 1 Excludes- supervision of normal pregnancy (Z34.-)
Type 2 Excludes- mental and behavioral disorders associated with the puerperium (F53.-)
- obstetrical tetanus (A34)
- postpartum necrosis of pituitary gland (E23.0)
- puerperal osteomalacia (M83.0)
Use Additional- code from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.
- O85-O92
2021 ICD-10-CM Range O85-O92
Complications predominantly related to the puerperiumType 2 Excludes- mental and behavioral disorders associated with the puerperium (F53.-)
- obstetrical tetanus (A34)
- puerperal osteomalacia (M83.0)
- O91
ICD-10-CM Diagnosis Code O91
Infections of breast associated with pregnancy, the puerperium and lactation
2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
Use Additional- code to identify infection
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 2017 (effective 10/1/2016): No change
- 2018 (effective 10/1/2017): No change
- 2019 (effective 10/1/2018): No change
- 2020 (effective 10/1/2019): No change
- 2021 (effective 10/1/2020): No change
ICD-10-CM Codes Adjacent To O91.1
O90.9 Complication of the puerperium, unspecified
O91 Infections of breast associated with pregnancy, the puerperium and lactation
O91.0 Infection of nipple associated with pregnancy, the puerperium and lactation
O91.01 Infection of nipple associated with pregnancy
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
O91.12 Abscess of breast associated with the puerperium
O91.13 Abscess of breast associated with lactation
O91.2 Nonpurulent mastitis associated with pregnancy, the puerperium and lactation
O91.21 Nonpurulent mastitis associated with pregnancy
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
