ICD-10-CM > R00-R99 > R90-R94 > R92 R92 Abnormal and inconclusive findings on diagnostic imaging of breast Non-Billable/Non-Specific Codes R92.0Mammographic microcalcification found on diagnostic imaging of breastR92.1Mammographic calcification found on diagnostic imaging of breastR92.2Inconclusive mammogramR92.3Mammographic density found on imaging of breastR92.30Dense breasts, unspecifiedR92.31Mammographic fatty tissue density of breastR92.311Mammographic fatty tissue density, right breastR92.312Mammographic fatty tissue density, left breastR92.313Mammographic fatty tissue density, bilateral breastsR92.32Mammographic fibroglandular density of breastR92.321Mammographic fibroglandular density, right breastR92.322Mammographic fibroglandular density, left breastR92.323Mammographic fibroglandular density, bilateral breastsR92.33Mammographic heterogeneous density of breastR92.331Mammographic heterogeneous density, right breastR92.332Mammographic heterogeneous density, left breastR92.333Mammographic heterogeneous density, bilateral breastsR92.34Mammographic extreme density of breastR92.341Mammographic extreme density, right breastR92.342Mammographic extreme density, left breastR92.343Mammographic extreme density, bilateral breastsR92.8Other abnormal and inconclusive findings on diagnostic imaging of breast