R92: Abnormal and inconclusive findings on diagnostic imaging of breast

Codes under R92 (Abnormal and inconclusive findings on diagnostic imaging of breast). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.

Code	Description	Billable
R92.0	Mammographic microcalcification found on diagnostic imaging of breast	✓
R92.1	Mammographic calcification found on diagnostic imaging of breast	✓
R92.2	Inconclusive mammogram	✓
R92.3	Mammographic density found on imaging of breast	—
R92.8	Other abnormal and inconclusive findings on diagnostic imaging of breast	✓
R92.30	Dense breasts, unspecified	✓
R92.31	Mammographic fatty tissue density of breast	—
R92.32	Mammographic fibroglandular density of breast	—
R92.33	Mammographic heterogeneous density of breast	—
R92.34	Mammographic extreme density of breast	—
R92.311	Mammographic fatty tissue density, right breast	✓
R92.312	Mammographic fatty tissue density, left breast	✓
R92.313	Mammographic fatty tissue density, bilateral breasts	✓
R92.321	Mammographic fibroglandular density, right breast	✓
R92.322	Mammographic fibroglandular density, left breast	✓
R92.323	Mammographic fibroglandular density, bilateral breasts	✓
R92.331	Mammographic heterogeneous density, right breast	✓
R92.332	Mammographic heterogeneous density, left breast	✓
R92.333	Mammographic heterogeneous density, bilateral breasts	✓
R92.341	Mammographic extreme density, right breast	✓
R92.342	Mammographic extreme density, left breast	✓
R92.343	Mammographic extreme density, bilateral breasts	✓

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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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