Benign mammary dysplasia
In Disorders of breast (N60-N65), chapter 14: Diseases of the Genitourinary System
21 billable codes under N60: none are a CC or MCC; none map to an HCC.
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Instructional notes
Includes: conditions that are coded here
- fibrocystic mastopathy
Also applies, from Disorders of breast (N60-N65)
These notes sit on N60-N65 and apply to every code under it, including N60.
Excludes1: not coded here, use a different code
- disorders of breast associated with childbirth (O91-O92)
Official coding guidelines
From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.
Covers chronic kidney disease staging, CKD in kidney transplant patients, and sequencing CKD with related conditions such as diabetes and hypertension.
- Chronic kidney disease (page 62)
All codes under N60
N60 can't be used on a claim. Pick a billable code below; grey headings group them.
- N60.0Solitary cyst of breast
- N60.01Solitary cyst of right breast
- N60.02Solitary cyst of left breast
- N60.09Solitary cyst of unspecified breast
- N60.1Diffuse cystic mastopathy
- N60.11Diffuse cystic mastopathy of right breast
- N60.12Diffuse cystic mastopathy of left breast
- N60.19Diffuse cystic mastopathy of unspecified breast
- N60.2Fibroadenosis of breast
- N60.21Fibroadenosis of right breast
- N60.22Fibroadenosis of left breast
- N60.29Fibroadenosis of unspecified breast
- N60.3Fibrosclerosis of breast
- N60.31Fibrosclerosis of right breast
- N60.32Fibrosclerosis of left breast
- N60.39Fibrosclerosis of unspecified breast
- N60.4Mammary duct ectasia
- N60.41Mammary duct ectasia of right breast
- N60.42Mammary duct ectasia of left breast
- N60.49Mammary duct ectasia of unspecified breast
- N60.8Other benign mammary dysplasias
- N60.81Other benign mammary dysplasias of right breast
- N60.82Other benign mammary dysplasias of left breast
- N60.89Other benign mammary dysplasias of unspecified breast
- N60.9Unspecified benign mammary dysplasia
- N60.91Unspecified benign mammary dysplasia of right breast
- N60.92Unspecified benign mammary dysplasia of left breast
- N60.99Unspecified benign mammary dysplasia of unspecified breast
N60 MS-DRGs
As the principal diagnosis, all 21 billable codes under N60 group to MS-DRG 600 or 601 (v44.0). Which one applies depends on procedures performed, secondary diagnoses (CC/MCC), and the patient's age and discharge status.
Other codes that refer to N60
Notes on these codes point to N60.
About the condition
Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.
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.
Read more about breast diseases on MedlinePlusCode history
Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.
