Icd 10 primary osteoarthritis bilateral knee July 8, 2019 16 32 64 128 Icd 10 code primary osteoarthritis bilateral knees Icd 10 code for unilateral primary osteoarthritis bilateral knee Unilateral primary osteoarthritis bilateral knee icd 10 Osteoarthritis bilateral knees icd 10 Osteoarthritis icd 10 knee