ICD10Check
CheckerBrowseOpen

N61.2

⚠ Non-billable (Header)

Granulomatous mastitis

Diseases of the genitourinary system (N00-N99)

⚠️ This is a category header code — not billable. Use a more specific child code below.

Check This Code

❌ Excludes1

inherited from N61

Rules from parent category 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)

Child Codes (4)

N61.20Granulomatous mastitis, unspecified breastN61.21Granulomatous mastitis, right breastN61.22Granulomatous mastitis, left breastN61.23Granulomatous mastitis, bilateral breast

🧪 Validate Combinations

Add N61.2 to the Excludes Checker to validate against your full code list.

Open in Checker →

Code Information

CodeN61.2
BillableNo — Header code
ParentN61
CategoryDiseases of the genitourinary system (N00-N99)
Excludes14 rule(s)
Excludes20 note(s)
Child codes4

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)