ICD-10-CM > M00-M99 > M70-M79 > M70 > M70.8 > M70.86 M70.86 Other soft tissue disorders related to use, overuse and pressure lower leg Non-Billable/Non-Specific Codes M70.861Other soft tissue disorders related to use, overuse and pressure, right lower legM70.862Other soft tissue disorders related to use, overuse and pressure, left lower legM70.869Other soft tissue disorders related to use, overuse and pressure, unspecified leg