ICD-10-CM > M00-M99 > M05-M14 > M05 > M05.5 > M05.57 M05.57 Rheumatoid polyneuropathy with rheumatoid arthritis of ankle and foot Non-Billable/Non-Specific Applicable To Rheumatoid polyneuropathy with rheumatoid arthritis, tarsus, metatarsus and phalanges Codes M05.571Rheumatoid polyneuropathy with rheumatoid arthritis of right ankle and footM05.572Rheumatoid polyneuropathy with rheumatoid arthritis of left ankle and footM05.579Rheumatoid polyneuropathy with rheumatoid arthritis of unspecified ankle and foot