ICD-10-CM > M00-M99 > M05-M14 > M1A > M1A.4 > M1A.46 > M1A.462 M1A.462 Other secondary chronic gout, left knee Non-Billable/Non-Specific Codes M1A.4620..., without tophus (tophi)M1A.4621..., with tophus (tophi)
ICD-10 Fast ICD-10 Fast