ICD-10-CM > M00-M99 > M05-M14 > M1A > M1A.0 > M1A.03 > M1A.031 M1A.031 Idiopathic chronic gout, right wrist Non-Billable/Non-Specific Codes M1A.0310..., without tophus (tophi)M1A.0311..., with tophus (tophi)