ICD-10-CM > M00-M99 > M05-M14 > M1A > M1A.2 > M1A.22 > M1A.221 M1A.221 Drug-induced chronic gout, right elbow Non-Billable/Non-Specific Codes M1A.2210..., without tophus (tophi)M1A.2211..., with tophus (tophi)