ICD-10-CM > M00-M99 > M05-M14 > M1A > M1A.3 > M1A.32 > M1A.321 M1A.321 Chronic gout due to renal impairment, right elbow Non-Billable/Non-Specific Codes M1A.3210..., without tophus (tophi)M1A.3211..., with tophus (tophi)