Doctors may order a cyclic citrullinated peptide (CCP) antibody test and other exams to confirm or rule out a rheumatoid arthritis (RA) diagnosis. A positive CCP antibody test doesn’t necessarily mean ...
The anti-CCP test is highly specific for RA, and a positive result can predict the development of RA in patients with undifferentiated arthritis; the sensitivity of anti-CCP test, however, is only ...