Icd 10 code for unilateral primary osteoarthritis right hip July 8, 2019 16 32 64 128 Unilateral primary osteoarthritis right hip icd 10 Unilateral primary osteoarthritis left hip icd 10 Unilateral primary osteoarthritis unspecified knee icd 10 Osteoarthritis bilateral hands icd 10 Unilateral primary osteoarthritis left knee icd 10