ICD-10-CM > M00-M99 > M05-M14 > M1A > M1A.3 > M1A.36 M1A.36 Chronic gout due to renal impairment, knee Non-Billable/Non-Specific Codes M1A.361Chronic gout due to renal impairment, right kneeM1A.3610..., without tophus (tophi)M1A.3611..., with tophus (tophi)M1A.362Chronic gout due to renal impairment, left kneeM1A.3620..., without tophus (tophi)M1A.3621..., with tophus (tophi)M1A.369Chronic gout due to renal impairment, unspecified kneeM1A.3690..., without tophus (tophi)M1A.3691..., with tophus (tophi)