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ICD-10-CM 2027

ICD-10 code for breast fibrosclerosis

N60.3

Fibrosclerosis of breast

Header — needs a more specific code

From the official ICD-10-CM alphabetic index entry “Fibrosclerosis › breast”. Page updated September 29, 2026.

About coding breast fibrosclerosis

The ICD-10-CM code for breast fibrosclerosis is N60.3 (Fibrosclerosis of breast).

Within N60 (benign mammary dysplasia), N60.3 is specifically for fibrosclerosis of breast. Related codes cover Solitary cyst of breast (N60.0), diffuse cystic mastopathy (N60.1), Fibroadenosis of breast (N60.2), mammary duct ectasia (N60.4), other benign mammary dysplasias (N60.8) and unspecified benign mammary dysplasia (N60.9).

To report this condition, pick the subcode that matches the documentation: N60.31 (breast), N60.32 (breast) and N60.39 (breast).

It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.

Common questions about breast fibrosclerosis ICD-10 codes

What is the ICD-10 code for breast fibrosclerosis?

N60.3 — Fibrosclerosis of breast (a header code; report a more specific subcode).

Is N60.3 billable?

No. N60.3 is a header code. Report one of its more specific subcodes instead.