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ICD-10-CM 2027

ICD-10 code for breast cyst

N60.0

Solitary cyst of breast

Header — needs a more specific code

From the official ICD-10-CM alphabetic index entry “Cyst (colloid) (mucous) (simple) (retention) › breast (benign) (blue dome) (pedunculated) (solitary)”. Page updated September 29, 2026.

About coding breast cyst

The ICD-10-CM code for breast cyst is N60.0 (Solitary cyst of breast).

Within N60 (benign mammary dysplasia), N60.0 is specifically for Solitary cyst of breast. Related codes cover diffuse cystic mastopathy (N60.1), Fibroadenosis of breast (N60.2), fibrosclerosis of breast (N60.3), 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: N60.01 (breast), N60.02 (breast) and N60.09 (breast).

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

More specific breast cyst codes (official index)

  • involution
  • sebaceous

Common questions about breast cyst ICD-10 codes

What is the ICD-10 code for breast cyst?

N60.0 — Solitary cyst of breast (a header code; report a more specific subcode).

Is N60.0 billable?

No. N60.0 is a header code. Report one of its more specific subcodes instead.