Uni prim osteoarthritis left knee icd 10 code July 8, 2019 16 32 64 128 Unilateral primary osteoarthritis unspecified knee icd 10 Unilateral primary osteoarthritis left knee icd 10 Icd 10 code unilateral primary osteoarthritis Unilateral primary osteoarthritis left hip icd 10 Unspecified osteoarthritis of right knee icd 10