ICD-10-CM > M00-M99 > M70-M79 > M70 > M70.9 > M70.96 M70.96 Unspecified soft tissue disorder related to use, overuse and pressure lower leg Non-Billable/Non-Specific Codes M70.961Unspecified soft tissue disorder related to use, overuse and pressure, right lower legM70.962Unspecified soft tissue disorder related to use, overuse and pressure, left lower legM70.969Unspecified soft tissue disorder related to use, overuse and pressure, unspecified lower leg