ICD-10-CM > M00-M99 > M05-M14 > M1A > M1A.0 > M1A.05 M1A.05 Idiopathic chronic gout, hip Non-Billable/Non-Specific Codes M1A.051Idiopathic chronic gout, right hipM1A.0510..., without tophus (tophi)M1A.0511..., with tophus (tophi)M1A.052Idiopathic chronic gout, left hipM1A.0520..., without tophus (tophi)M1A.0521..., with tophus (tophi)M1A.059Idiopathic chronic gout, unspecified hipM1A.0590..., without tophus (tophi)M1A.0591..., with tophus (tophi)