Failed medial unicompartmental knee arthroplasty icd 10 July 8, 2019 16 32 64 128 Failed left medial unicompartmental knee arthroplasty icd 10 Icd 10 code for s/p left knee arthroplasty Left knee arthroplasty icd 10 Left knee replacement icd 10 Icd 10 code for s/p left total knee arthroplasty