2027 ICD-10-CM Diagnosis Code N60Benign mammary dysplasia

ICD-10-CM Codes›N00–N99›N60-N65›N60

ICD-10-CM N60
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

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
Short Description
Benign mammary dysplasia
Same as the full description in the CMS dataset.
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

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to N60: its own notes plus those printed at block N60-N65 and Chapter 14. A note printed at a category, block or chapter applies to every code under it.

Includes

Further defines, or gives examples of, the content of the category.

  • fibrocystic mastopathy

Excludes1

Not coded here: the excluded code is never reported together with this one, unless the two conditions are unrelated.

From Block N60-N65 Disorders of breast applies to 60 codes
  • disorders of breast associated with childbirth (O91-O92)

Excludes2

Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.

From Chapter 14 (N00-N99) Diseases of the genitourinary system applies to 838 codes
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Source: CMS ICD-10-CM Tabular List. How to read instructional notes.

Referenced in Other NotesGuidance

Instructional notes printed at other codes that name N60, its category, or a range that includes it.

Excludes2 3

These codes carry an Excludes2 note naming N60: its condition is not part of those codes, and both may be reported when the patient has both.

  • D24 Benign neoplasm of breast
    benign cyst of breast (N60.-)
  • D24 Benign neoplasm of breast
    benign mammary dysplasia (N60.-)
  • D24 Benign neoplasm of breast
    fibrocystic disease of breast (N60.-)

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 2017–2026No changes
FY 2027CurrentCurrent code set, no changesEffective October 1, 2026 through September 30, 2027.

Questions About N60Overview

What is the ICD-10 code for benign mammary dysplasia?

N60 is the ICD-10-CM category for benign mammary dysplasia, but it is a non-billable header: claims need a more specific code from this category, listed on this page.

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.