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