Cyclic Citrullinated Peptide (CCP) Blood Test Antibodies, IgA, IgG, ELISATest #164914The presence of CCP antibodies, when considered in conjunction with other laboratory and clinical findings, is an aid in the diagnosis of rheumatoid arthritis (RA). Approximately 70% of RA patients are positive for anti CCP IgG, while only 2% of random blood donors and control subjects are positive. Also Known As: Anti CCP, CCP Preparation: No Fasting Required Test Type: Blood Test Results: 2 3 days