A member asked:

I tested positive for the ana screen, 1:160 titer, speckled pattern. rheumatoid factor 21, sed rate 22. does this indicate rheumatoid arthritis?

A doctor has provided 1 answer

No: The rheumatoid factor was barely above negative. It is usually greater than 150 in RA. The CCP antibody is a much more specific test. The diagnosis of RA depends on several diagnostic criteria. The rheumatoid factor is nonspecific.

Answered 11/12/2019

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