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 | ✓ |
| R92.0 | Mammographic microcalcification found on diagnostic imaging of breast | ✓ |
| R92.1 | Mammographic calcification found on diagnostic imaging of breast | ✓ |
| R92.1 | Mammographic calcification found on diagnostic imaging of breast | ✓ |
| R92.2 | Inconclusive mammogram | ✓ |
| R92.2 | Inconclusive mammogram | ✓ |
| R92.3 | Mammographic density found on imaging of breast | — |
| R92.3 | Mammographic density found on imaging of breast | — |
| R92.8 | Other abnormal and inconclusive findings on diagnostic imaging of breast | ✓ |
| R92.8 | Other abnormal and inconclusive findings on diagnostic imaging of breast | ✓ |
| R92.30 | Dense breasts, unspecified | ✓ |
| R92.30 | Dense breasts, unspecified | ✓ |
| R92.31 | Mammographic fatty tissue density of breast | — |
| R92.31 | Mammographic fatty tissue density of breast | — |
| R92.32 | Mammographic fibroglandular density of breast | — |
| R92.32 | Mammographic fibroglandular density of breast | — |
| R92.33 | Mammographic heterogeneous density of breast | — |
| R92.33 | Mammographic heterogeneous density of breast | — |
| R92.34 | Mammographic extreme density of breast | — |
| R92.34 | Mammographic extreme density of breast | — |
| R92.311 | Mammographic fatty tissue density, right breast | ✓ |
| R92.311 | Mammographic fatty tissue density, right breast | ✓ |
| R92.312 | Mammographic fatty tissue density, left breast | ✓ |
| R92.312 | Mammographic fatty tissue density, left breast | ✓ |
| R92.313 | Mammographic fatty tissue density, bilateral breasts | ✓ |
| R92.313 | Mammographic fatty tissue density, bilateral breasts | ✓ |
| R92.321 | Mammographic fibroglandular density, right breast | ✓ |
| R92.321 | Mammographic fibroglandular density, right breast | ✓ |
| R92.322 | Mammographic fibroglandular density, left breast | ✓ |
| R92.322 | Mammographic fibroglandular density, left breast | ✓ |
| R92.323 | Mammographic fibroglandular density, bilateral breasts | ✓ |
| R92.323 | Mammographic fibroglandular density, bilateral breasts | ✓ |
| R92.331 | Mammographic heterogeneous density, right breast | ✓ |
| R92.331 | Mammographic heterogeneous density, right breast | ✓ |
| R92.332 | Mammographic heterogeneous density, left breast | ✓ |
| R92.332 | Mammographic heterogeneous density, left breast | ✓ |
| R92.333 | Mammographic heterogeneous density, bilateral breasts | ✓ |
| R92.333 | Mammographic heterogeneous density, bilateral breasts | ✓ |
| R92.341 | Mammographic extreme density, right breast | ✓ |
| R92.341 | Mammographic extreme density, right breast | ✓ |
| R92.342 | Mammographic extreme density, left breast | ✓ |
| R92.342 | Mammographic extreme density, left breast | ✓ |
| R92.343 | Mammographic extreme density, bilateral breasts | ✓ |
| R92.343 | Mammographic extreme density, bilateral breasts | ✓ |
Frequently asked questions
What is ICD-10-CM code R92?
R92 is an ICD-10-CM category covering Abnormal and inconclusive findings on diagnostic imaging of breast. It contains 44 more specific diagnosis codes, 34 of which are billable.
Is R92 a billable code?
No — R92 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example R92.0 — Mammographic microcalcification found on diagnostic imaging of breast). 34 of the 44 codes under R92 are billable.
What codes fall under R92?
R92 includes R92.0, R92.0, R92.1, R92.1, R92.2, plus 39 more. See the full list with descriptions and billable status above.
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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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