Icd 10 code left knee primary osteoarthritis July 8, 2019 16 32 64 128 Icd 10 code unilateral primary osteoarthritis left knee Icd 10 code for primary localized osteoarthritis left knee Icd 10 cm code for primary osteoarthritis of left knee Osteoarthritis in left knee icd 10 Left knee oa icd 10 Osteoarthritis icd 10 knee