ICD-10-CM > M00-M99 > M05-M14 > M1A > M1A.4 > M1A.41 > M1A.412 M1A.412 Other secondary chronic gout, left shoulder Non-Billable/Non-Specific Codes M1A.4120..., without tophus (tophi)M1A.4121..., with tophus (tophi)