N61.2

N61.2: Granulomatous mastitis

Non-billable headerICD-10-CM

N61.2 is a non-billable header ICD-10-CM code for granulomatous mastitis. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes1 inherited from the categories above N61.2

A category’s note binds every code beneath it.

Written on N61: Inflammatory disorders of breast

inflammatory carcinoma of breast (C50.A-)
inflammatory disorder of breast associated with childbirth (O91.-)
neonatal infective mastitis (P39.0)
thrombophlebitis of breast [Mondor's disease] (I80.8)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead N61.2

4 child codes. Green means billable.

N61.20Granulomatous mastitis, unspecified breast
N61.21Granulomatous mastitis, right breast
N61.22Granulomatous mastitis, left breast
N61.23Granulomatous mastitis, bilateral breast

Other codes under N61

N61.0Mastitis without abscess
N61.1Abscess of the breast and nipple