2025
ICD-10-CM
Diagnosis
Code

N61 Inflammatory disorders of breast

Non-billable
2016–2025

N61 is a non-billable/non-specific diagnosis code from the 2025 ICD-10-CM used to classify the following condition: Inflammatory disorders of breast.

Type 1 excludes

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)

Codes

Versions

2025
No changes
2024
No changes
2023
No changes
2022
No changes
2021
No changes
2020
No changes
2019
No changes
2018
No changes
2017
Code changed
- Inclusion term
  ~~Abscess (acute) (chronic) (nonpuerperal) of areola~~
  ~~Abscess (acute) (chronic) (nonpuerperal) of breast~~
  ~~Carbuncle of breast~~
  ~~Infective mastitis (acute) (subacute) (nonpuerperal)~~
  ~~Mastitis (acute) (subacute) (nonpuerperal) NOS~~
2016
New code