ICD-10-CM > M00-M99 > M70-M79 > M71 > M71.5 > M71.57 M71.57 Other bursitis, not elsewhere classified, ankle and foot Non-Billable/Non-Specific Codes M71.571Other bursitis, not elsewhere classified, right ankle and footM71.572Other bursitis, not elsewhere classified, left ankle and footM71.579Other bursitis, not elsewhere classified, unspecified ankle and foot