Cyclic Citrullinated Peptide Antibodies (Anti-CCP), IgA, IgG, ELISA LabCorp

The 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. 

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