R92.342: Mammographic extreme density, left breast
R92.342 is the billable ICD-10-CM diagnosis code for Mammographic extreme density, left breast. It is a fully specified code, so it can be reported on a claim (subject to clinical documentation and your payer's rules).
Frequently asked questions
What is ICD-10-CM code R92.342?
R92.342 is the ICD-10-CM diagnosis code for Mammographic extreme density, left breast. It belongs to category R92 (Abnormal and inconclusive findings on diagnostic imaging of breast).
Is R92.342 a billable code?
Yes. R92.342 is a billable, fully specified ICD-10-CM code, so it can be used on a claim (subject to documentation and payer rules).
What category does R92.342 belong to?
R92.342 is part of ICD-10-CM category R92 — Abnormal and inconclusive findings on diagnostic imaging of breast, which has 34 billable codes.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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