2026 ICD-10-CM Diagnosis Code N60Benign mammary dysplasia

ICD-10-CM Codes›N00–N99›N60-N65›N60

ICD-10-CM N60
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

N60 is a non-billable ICD-10-CM category code for benign mammary dysplasia, so it cannot be submitted on claims. Use a more specific code from this category instead, such as N60.01, N60.02, N60.09, and N60.11.

Code Identity

ICD-10-CM Code
N60
Billable Status
No — Non-Billable Category
Code Describes
Benign mammary dysplasia
Chapter
N60-N65
Disorders of breast

Code Classification

ChapterN00–N99Diseases of the genitourinary system
SectionN60-N65Disorders of breast
CategoryN60Benign mammary dysplasia
This CodeN60Benign mammary dysplasia

Specific Coding for Benign mammary dysplasiaOverview

Non-specific codes like N60 require more characters. Use one of these billable codes instead:

  • N60.0 for Solitary cyst of breast

  • Use N60.01 for Solitary cyst of right breast

  • Use N60.02 for Solitary cyst of left breast

  • Use N60.09 for Solitary cyst of unspecified breast

  • N60.1 for Diffuse cystic mastopathy

  • Use N60.11 for Diffuse cystic mastopathy of right breast

  • Use N60.12 for Diffuse cystic mastopathy of left breast

  • Use N60.19 for Diffuse cystic mastopathy of unspecified breast

  • N60.2 for Fibroadenosis of breast

  • Use N60.21 for Fibroadenosis of right breast

  • Use N60.22 for Fibroadenosis of left breast

  • Use N60.29 for Fibroadenosis of unspecified breast

  • N60.3 for Fibrosclerosis of breast

  • Use N60.31 for Fibrosclerosis of right breast

  • Use N60.32 for Fibrosclerosis of left breast

  • Use N60.39 for Fibrosclerosis of unspecified breast

  • N60.4 for Mammary duct ectasia

  • Use N60.41 for Mammary duct ectasia of right breast

  • Use N60.42 for Mammary duct ectasia of left breast

  • Use N60.49 for Mammary duct ectasia of unspecified breast

  • N60.8 for Other benign mammary dysplasias

  • Use N60.81 for Other benign mammary dysplasias of right breast

  • Use N60.82 for Other benign mammary dysplasias of left breast

  • Use N60.89 for Other benign mammary dysplasias of unspecified breast

  • N60.9 for Unspecified benign mammary dysplasia

  • Use N60.91 for Unspecified benign mammary dysplasia of right breast

  • Use N60.92 for Unspecified benign mammary dysplasia of left breast

  • Use N60.99 for Unspecified benign mammary dysplasia of unspecified breast

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Includes

  • fibrocystic mastopathy

Patient EducationClinical

Breast Diseases

Breast diseases include various conditions and changes in your breast. Most women experience breast changes at some time. Your age, hormone levels, and medicines you take may cause lumps, bumps, and discharges of fluids that are not breast milk.

The full article covers:

  • What are breast diseases?
  • What are the symptoms of breast disease?
  • How are breast diseases diagnosed?
  • What are the treatments for breast disease?

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About N60Overview

Is N60 (Benign mammary dysplasia) a billable code?

No. This is a category header that groups the codes for benign mammary dysplasia, and headers cannot be submitted on claims. Claims for benign mammary dysplasia need a more specific code from this category, such as N60.01, N60.02, and N60.09.