- O91.23 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2024 edition of ICD-10-CM O91.23 became effective on October 1, 2022.
- This is the American ICD-10-CM version of O91.23 – other international versions of ICD-10 O91.23 may differ.
ICD-10-CM O91.23 is grouped within Diagnostic Related Group(s):
- 769 Postpartum and post abortion diagnoses with o. R. Procedures
- 776 Postpartum and post abortion diagnoses without o. R. Procedures
Applicable To
- Interstitial mastitis associated with lactation
- Lymphangitis of breast associated with lactation
- Mastitis NOS associated with lactation
- Parenchymatous mastitis associated with lactation
Code History
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 2016 (effective 10/1/2015): No change
- 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
- 2022 (effective 10/1/2021): No change
- 2024 (effective 10/1/2022): No change
Diagnosis Index entries containing back-references to O91.23:
- associated with > obstetric (interstitial) (nonpurulent)
- lactation > associated with O91.23
- associated with lactation > galactophoritis O91.22
- associated with lactation > breast O91.22
- associated with lactation > mammitis O91.22
- associated with lactation > mastitis O91.22