ICD-10-CM > M00-M99 > M70-M79 > M70 > M70.8 > M70.87 M70.87 Other soft tissue disorders related to use, overuse and pressure of ankle and foot Non-Billable/Non-Specific Codes M70.871Other soft tissue disorders related to use, overuse and pressure, right ankle and footM70.872Other soft tissue disorders related to use, overuse and pressure, left ankle and footM70.879Other soft tissue disorders related to use, overuse and pressure, unspecified ankle and foot