ICD-10-CM category
R92 Abnormal findings on diagnostic imaging of breast
R92 is a category, not a billable code. Report one of the 17 complete codes below.
Codes in R92
- R92.0Mammographic microcalcification found on diagnostic imaging of breast
- R92.1Mammographic calcification found on diagnostic imaging of breast
- R92.2Inconclusive mammogram
- R92.30Dense breasts, unspecified
- R92.311Mammographic fatty tissue density, right breast
- R92.312Mammographic fatty tissue density, left breast
- R92.313Mammographic fatty tissue density, bilateral breasts
- R92.321Mammographic fibroglandular density, right breast
- R92.322Mammographic fibroglandular density, left breast
- R92.323Mammographic fibroglandular density, bilateral breasts
- R92.331Mammographic heterogeneous density, right breast
- R92.332Mammographic heterogeneous density, left breast
- R92.333Mammographic heterogeneous density, bilateral breasts
- R92.341Mammographic extreme density, right breast
- R92.342Mammographic extreme density, left breast
- R92.343Mammographic extreme density, bilateral breasts
- R92.8Other abnormal and inconclusive findings on diagnostic imaging of breast
Outside the US? R92 in the international WHO ICD-10 lists its inclusion and exclusion notes.
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ICD-10-CM is developed by the National Center for Health Statistics (NCHS), Centers for Disease Control and Prevention, U.S. Department of Health and Human Services, and is based on the WHO ICD-10. Codes and titles are reproduced unchanged from the FY2026 code list (effective 1 October 2025). Their use here does not imply endorsement by CDC, HHS or the U.S. Government. Changes effective on or after 1 October 2026 may not be reflected yet; check the current release at cdc.gov or cms.gov before submitting claims.
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