The Anti-CCP test detects the presence of antibodies directed against cyclic citrullinated peptides, which are proteins found in the joints. In rheumatoid arthritis, the immune system mistakenly attacks healthy joint tissues, leading to inflammation, pain, and joint damage. An anti-CCP blood test is a diagnostic test used to detect anti -cyclic citrullinated peptide antibodies in the blood. These antibodies are associated with autoimmune diseases, particularly rheumatoid arthritis. The test helps differentiate rheumatoid arthritis from other forms of arthritis and assists in determining disease severity and prognosis. India's best online pharmacy with a wide range of Prescription and OTC medicines. Order medicines online at 1mg's medicine store in 100+ cities like - Delhi, Mumbai, Bangalore, Kolkata, Hyderabad, Gurgaon, Noida, Pune etc. with free home delivery and exciting offers. Check Now! The Anti-Cyclic Citrullinated Peptide (Anti-CCP) Test is a blood test used to diagnose and assess rheumatoid arthritis (RA). This test detects the presence of anti-CCP antibodies, which are highly specific markers for RA.