Unspecified injury of left knee initial encounter icd 10 July 8, 2019 16 32 64 128 Unspecified superficial injury of left knee initial encounter icd 10 Unspecified injury of bilateral knee icd 10 Injury of left knee icd 10 Other injury left knee icd 10 Other specified injury left knee icd 10 Icd 10 left knee sprain