Icd 9 codes for osteoarthritis July 8, 2019 16 32 64 128 Icd 9 codes for knee osteoarthritis Osteoarthritis icd 9 Icd 9 code for osteoarthritis unspecified Icd 9 osteoarthrosis Icd 9 cm code osteoarthritis Icd 9 code diagnosis for osteoarthritis