ICD-10-CM > M00-M99 > M05-M14 > M1A > M1A.0 > M1A.02 > M1A.029 M1A.029 Idiopathic chronic gout, unspecified elbow Non-Billable/Non-Specific Codes M1A.0290..., without tophus (tophi)M1A.0291..., with tophus (tophi)