ICD-10-CM > M00-M99 > M05-M14 > M1A > M1A.2 > M1A.27 > M1A.271 M1A.271 Drug-induced chronic gout, right ankle and foot Non-Billable/Non-Specific Codes M1A.2710..., without tophus (tophi)M1A.2711..., with tophus (tophi)