What is an anti-CCP test used for? The anti-CCP (anti-cyclic citrullinated peptide) test is valuable in the early detection of rheumatoid arthritis (RA) even before clinical symptoms appear. Identifying RA at this stage is crucial for early intervention and preventing extensive joint damage. This test aids in both diagnosing the disease and assessing its severity, helping healthcare professionals provide timely and appropriate care. The Anti-CCP test is a blood-based immunological test that detects the presence of antibodies directed against the body’s cyclic citrullinated peptide (CCP). These antibodies are frequently detected in the blood of rheumatoid arthritis patients. Anti-cyclic citrullinated peptide (anti-CCP) is an antibody present in most rheumatoid arthritis patients. Levels of anti-CCP can be detected in a patient through a simple blood test. These antibodies are one of the key biomarkers associated with RA, and the presence of anti-CCP antibodies in the blood can be a critical indicator of the disease, making the anti-CCP test a valuable tool for early diagnosis and appropriate treatment planning.