Rheumatoid factor positive icd 10 cm July 8, 2019 16 32 64 128 Rheumatoid factor positive icd 10 cm code Polyarthritis with positive rheumatoid factor icd 10 cm Rheumatoid arthritis with positive rheumatoid factor icd 10 cm Rheumatoid factor icd 10 Rheumatoid factor icd 10 code Icd 10 positive rheumatoid factor Rheumatoid icd 10