N60

ICD-10Non-billable category

Benign mammary dysplasia

Official ICD-10-CM descriptor (FY2026)

Benign mammary dysplasia

N60 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.

Includes

fibrocystic mastopathy

More specific codes under N60

N60.0Solitary cyst of breastcategory
N60.1Diffuse cystic mastopathycategory
N60.2Fibroadenosis of breastcategory
N60.3Fibrosclerosis of breastcategory
N60.4Mammary duct ectasiacategory
N60.8Other benign mammary dysplasiascategory
N60.9Unspecified benign mammary dysplasiacategory

Where this code sits

Chapter: 14. Diseases of the genitourinary system (N00-N99)
Block: Disorders of breast (N60-N65)

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Source

ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.