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