N60.1

Non-billable

Diffuse cystic mastopathy

N60.1 is the ICD-10-CM code for Diffuse cystic mastopathy. It is a non-billable category code — use a more specific child code such as N60.11 for billing.

Status
Header (non-billable)
Chapter
N00-N99
Parent
N60
Subcodes
3
Edition
FY2026

N00-N99 Diseases of the genitourinary system

What this means — in plain language

MedlinePlus · NIH

What are 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. Although many women fear cancer , most breast changes are benign, meaning they are not cancer. These breast changes are known as benign breast…

Read more about Breast Diseases at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

Includes

  • Cystic breast
  • Fibrocystic disease of breast

Excludes1 — not coded here

  • diffuse cystic mastopathy with epithelial proliferation (N60.3-)

Frequently asked questions

What is ICD-10 code N60.1?
N60.1 is the ICD-10-CM code for "Diffuse cystic mastopathy". It falls under N00-N99 Diseases of the genitourinary system.
Is N60.1 a billable code?
No — N60.1 is a non-billable header code. Use a more specific child code (such as N60.11) for billing.
What are the subcodes of N60.1?
N60.1 has 3 more specific child codes, including N60.11, N60.12, N60.19.
What is excluded from N60.1?
Excludes1 (not coded here): diffuse cystic mastopathy with epithelial proliferation (N60.3-).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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