Left knee hyperextension injury icd 10 July 8, 2019 16 32 64 128 Icd 10 code for left knee hyperextension injury Hyperextension injury of left knee initial encounter icd 10 Hyperextension knee icd 10 Left knee injury icd 10 Left knee icd 10 Left knee sprain icd 10 Left knee abrasion icd 10