ICD-10-CM N61: Inflammatory disorders of breast

ICD-10-CM Diagnosis Code (2025)

Official Description for N61

Inflammatory disorders of breast

Coding Notes & Guidelines for N61

Excludes1: Not Coded Here
  • inflammatory carcinoma of breast (C50.9)
  • inflammatory disorder of breast associated with childbirth (O91.-)
  • neonatal infective mastitis (P39.0)
  • thrombophlebitis of breast [Mondor's disease] (I80.8)
Inclusion Terms
  • Infective mastitis (acute) (nonpuerperal) (subacute)
  • Mastitis (acute) (nonpuerperal) (subacute) NOS
  • Cellulitis (acute) (nonpuerperal) (subacute) of breast NOS
  • Cellulitis (acute) (nonpuerperal) (subacute) of nipple NOS
Inclusion Terms
  • Abscess (acute) (chronic) (nonpuerperal) of areola
  • Abscess (acute) (chronic) (nonpuerperal) of breast
  • Carbuncle of breast
  • Mastitis with abscess

Child Codes (More Specific Codes for N61):

N61.0 - Mastitis without abscess N61.1 - Abscess of the breast and nipple N61.2 - Granulomatous mastitis N61.20 - Granulomatous mastitis, unspecified breast N61.21 - Granulomatous mastitis, right breast N61.22 - Granulomatous mastitis, left breast N61.23 - Granulomatous mastitis, bilateral breast

About ICD-10-CM Code N61 (Inflammatory disorders of breast)

ICD-10-CM code N61 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM N61 became effective on October 1, 2024.

This page provides detailed information about N61 - Inflammatory disorders of breast. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Inflammatory disorders of breast.