ICD-10-CM > M00-M99 > M05-M14 > M1A > M1A.4 > M1A.42 M1A.42 Other secondary chronic gout, elbow Non-Billable/Non-Specific Codes M1A.421Other secondary chronic gout, right elbowM1A.4210..., without tophus (tophi)M1A.4211..., with tophus (tophi)M1A.422Other secondary chronic gout, left elbowM1A.4220..., without tophus (tophi)M1A.4221..., with tophus (tophi)M1A.429Other secondary chronic gout, unspecified elbowM1A.4290..., without tophus (tophi)M1A.4291..., with tophus (tophi)