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N61

⚠ Non-billable (Header)

Inflammatory disorders of breast

Diseases of the genitourinary system (N00-N99)

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

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❌ Excludes1

direct

Cannot be coded with N61

  • • 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 (3)

N61.0Mastitis without abscessN61.1Abscess of the breast and nippleN61.2Granulomatous mastitis

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Code Information

CodeN61
BillableNo — Header code
CategoryDiseases of the genitourinary system (N00-N99)
Excludes14 rule(s)
Excludes20 note(s)
Child codes3

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)