Left knee arthritis icd 10 cm July 8, 2019 16 32 64 128 Rheumatoid arthritis left knee enter icd 10 cm code Diagnosis rheumatoid arthritis left knee enter icd 10 cm code Left knee inflammatory arthropathy icd 10 Arthritis left knee icd 10 Left knee osteoarthritis icd 10 Left knee gonarthrosis icd 10