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Dx

ICD-10-CM 2027

ICD-10 code for dense breast

R92.3

Mammographic density found on imaging of breast

Header — needs a more specific code

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

About coding dense breast

The ICD-10-CM code for dense breast is R92.3 (Mammographic density found on imaging of breast).

Within R92 (abnormal and inconclusive findings on diagnostic imaging of breast), R92.3 is specifically for Mammographic density found on imaging of breast. Related codes cover Mammographic microcalcification found on diagnostic imaging of breast (R92.0), Mammographic calcification found on diagnostic imaging of breast (R92.1), inconclusive mammogram (R92.2) and other abnormal and inconclusive findings on diagnostic imaging of breast (R92.8).

To report this condition, pick the subcode that matches the documentation: R92.30 (unspecified), R92.31 (breast), R92.32 (breast), R92.33 (breast) and R92.34 (breast).

It was added in FY2024, effective October 1, 2023.

Common questions about dense breast ICD-10 codes

What is the ICD-10 code for dense breast?

R92.3 — Mammographic density found on imaging of breast (a header code; report a more specific subcode).

Is R92.3 billable?

No. R92.3 is a header code. Report one of its more specific subcodes instead.