ICD-10-CM > M00-M99 > M05-M14 > M1A > M1A.1 > M1A.17 > M1A.179 M1A.179 Lead-induced chronic gout, unspecified ankle and foot Non-Billable/Non-Specific Codes M1A.1790..., without tophus (tophi)M1A.1791..., with tophus (tophi)