2025 ICD-10-CM code O91.2
Nonpurulent mastitis associated with pregnancy, the puerperium, and lactation.This condition refers to inflammation of the breast tissue, without pus formation, occurring during pregnancy, the period after childbirth (puerperium), or while breastfeeding.
Medical necessity for treatment of nonpurulent mastitis is established by the presence of characteristic symptoms and signs during or after pregnancy or associated with lactation. The diagnosis and treatment are necessary to alleviate symptoms, prevent complications like abscess formation, and support successful breastfeeding if applicable.
The physician is responsible for diagnosing and managing the nonpurulent mastitis, which may include prescribing antibiotics, pain relievers, and recommending supportive measures like warm compresses and frequent breastfeeding or milk expression.
- 15 Pregnancy, childbirth and the puerperium (O00-O9A)
- Infections of breast associated with pregnancy, the puerperium and lactation (O91)
In simple words: This code represents inflammation of the breast, but without pus, linked to pregnancy, the time after delivery, or breastfeeding.
Nonpurulent mastitis associated with pregnancy, the puerperium and lactation. Use additional code to identify infection.
Example 1: A 28-year-old woman in her third trimester presents with breast tenderness, redness, and warmth, but no fever or fluctuance. She is diagnosed with nonpurulent mastitis and treated with supportive measures., A 35-year-old woman two weeks postpartum experiences breast pain, swelling, and a low-grade fever. Upon examination, there is no evidence of a localized abscess.She receives a diagnosis of nonpurulent mastitis and starts antibiotic therapy., A 25-year-old breastfeeding mother reports breast engorgement, discomfort, and a small area of redness.She does not have a fever and there are no palpable masses. Nonpurulent mastitis is diagnosed, and she's advised on frequent milk drainage and warm compresses.
Documentation should include details about the onset and duration of symptoms, physical exam findings (including the presence or absence of fluctuance, fever, and nipple abnormalities), and any associated symptoms. Results of any diagnostic tests, such as breast ultrasound if performed, and the treatment plan should also be documented.
** Excludes1: supervision of normal pregnancy (Z34.-)Excludes2: mental and behavioral disorders associated with the puerperium (F53.-)obstetrical tetanus (A34)postpartum necrosis of pituitary gland (E23.0)puerperal osteomalacia (M83.0)
- Payment Status: Active
- Specialties:Obstetrics and Gynecology, Family Medicine, Lactation Consultants
- Place of Service:Office, Inpatient Hospital, Outpatient Hospital, Home, Skilled Nursing Facility