Icd 10 code for knee arthritis unspecified July 8, 2019 16 32 64 128 Icd 10 code for bilateral knee arthritis unspecified Icd 10 code for left knee arthritis unspecified Icd 10 code for left knee septic arthritis unspecified Arthritis knee right icd 10 Knee arthritis icd 9 Icd 10 code for arthritis left knee