Primary osteoarthritis of left knee icd 10 code July 8, 2019 16 32 64 128 Primary osteoarthritis of left knee icd 10 cm code Unilateral primary osteoarthritis left knee icd 10 code Icd 10 code for primary localized osteoarthritis of left knee Osteoarthritis in left knee icd 10 Osteoarthritis of right knee icd 10 Osteoarthritis icd 10 knee