Icd 10 code for left knee patellofemoral instability July 8, 2019 16 32 64 128 Icd 10 code for patellofemoral disorders left knee Icd 10 patellofemoral osteoarthritis Patellofemoral ligament tear icd 10 Patellofemoral syndrome icd 10 Icd 10 knee pain left