You’re dealing with RA(rheumatoid arthritis).
They are present in approximately 60 to 80 percent of people diagnosed with RA. Studies have found that, for many people, the antibodies precede the development of clinical symptoms by 5 to 10 years. If you have symptoms consistent with RA and a positive test for the antibody, an RA diagnosis is almost a certainty. Previously, seropositivity was defined in terms of an antibody called rheumatoid factor (RF). A cyclic citrullinated peptide (CCP) antibody test may be ordered along with or following a rheumatoid factor (RF) test to help diagnose rheumatoid arthritis (RA) and to assess the severity and probable course of the disease (prognosis). When someone is negative for both CCP antibody and RF, then it is less likely that the person has RA. It must be emphasized, however, that RA is a clinical diagnosis and may be made in the absence of positive tests for autoantibodies. Antibodies to Anti-Cyclic Citrullinated Peptides (ACPA). These antibodies (anti-CCP) have been around since the mid 2000’s. They are useful in that they aren’t usually found in diseases other than RA. So if you have a positive anti-CCP then chances are you’re dealing with RA. The presence of these antibodies may predict the development of RA and can be detected in healthy individuals years before the onset of clinical RA. They are also a marker for more severe disease. 1 A very high titre (level) of rheumatoid factor (in the 100’s or 1000’s) makes it more likely that you have RA. 2  A rheumatoid factor can be present years before the onset of rheumatoid arthritis. When people with signs and symptoms of arthritis are positive for both CCP antibody and RF, it is very likely that they have RA and it is likely that they may develop a more rapidly progressive and severe form of the disease. When someone is negative for both CCP antibody and RF, then it is less likely that the person has RA. It must be emphasized, however, that RA is a clinical diagnosis and may be made in the absence of positive tests for autoantibodies. There has recently been substantial and growing interest in the use of antibodies to CCP (anti-CCP) as a diagnostic test in patients with rheumatoid arthritis (RA). Similar to rheumatoid factor (RF), the anti-CCP can be of value in the diagnosis of patients with RA. The present generation of anti-CCP tests has sufficient sensitivity for the diagnosis of RA that approximates that of RF, and it is more specific. Anti CCP is a very useful blood test in the diagnosis of Rheumatoid arthritis. It scores over the routine rheumatoid factor test for early & spcific diagnosis of rheumatoid arthritis*. Anti CCP antibody is also of prognostic significance in Rheumatoid arthritis. High levels of the antibody indicate a more aggressive RA & higher risk of joint damage as compared to a patient with low levels**. Yes. Anti CCP antibody is more reliabkle than Rheumatoid factor in diagnosing Rheumatoid arthritis. Anti CCP test can accurately diagnose Rheumatoid Arthritis at a very early stage as compared to rheumatoid factor. An earlier diagnosis would mean early institution of DMARDs & higher chances of remission. Anti-CCP antibodies were present in 29.3%, and rheumatoid factor in 27.8%. When patients were classified at baseline according to the presence of either or both antibodies, differences in disease activity and severity were seen only for those who were anti-CCP positive. At baseline, antibody positive patients had higher disease activity scores (4.4 versus 3.73, P. At five years, disease activity scores among patients who had the anti-CCP antibodies remained higher (4.41 versus 3.76, P Arthritis Care & Research. Yes. Anti CCP antibody is positive in 48% of the first-degree relatives of patients with Rheumatoid Arthritis. The incidence increases with smoking. Those with positive anti CCP antibody are at higher risk of developing Rheumatoid Arthritis. Yes. Anti CCP antibody is more reliabkle than Rheumatoid factor in diagnosing Rheumatoid arthritis. Anti CCP test can accurately diagnose Rheumatoid Arthritis at a very early stage as compared to rheumatoid factor. An earlier diagnosis would mean early institution of DMARDs & higher chances of remission. It is a test used to confirm the diagnosis of rheumatoid arthritis. At present, anti-CCP antibody is the most specific marker for Rheumatoid arthritis. With a specificity of about 98%, it is a reliable marker to confirm the diagnosis of Rheumatoid arthritis. Yes. Anti CCP antibody is more reliabkle than Rheumatoid factor in diagnosing Rheumatoid arthritis. Anti CCP test can accurately diagnose Rheumatoid Arthritis at a very early stage as compared to rheumatoid factor. An earlier diagnosis would mean early institution of DMARDs & higher chances of remission. A level above 20 suggests the possibility of rheumatoid arthritis. As with rheumatoid factor, some people with positive anti-CCP antibody will not have rheumatoid arthritis, but this test is somewhat more specific for rheumatoid arthritis than the rheumatoid factor. The higher the levels of anti-CCP antibody, the more likely it is to suggest rheumatoid arthritis. 
http://www.arthritis.org/about-arthritis/types/rheumatoid-arthritis/articles/what-type-do-you-have.php https://labtestsonline.org/understanding/analytes/ccp/tab/test http://rheuminfo.com/diseases/rheumatoid-arthritis/diagnosing-rheumatoid-arthritis https://labtestsonline.org/understanding/analytes/ccp/tab/test http://www.medscape.com/viewarticle/533283 http://arthritissupportboard.com/Anti_CCP_antibody_in_rheumatoid_arthitis.aspx http://www.medpagetoday.com/Rheumatology/Arthritis/20094 http://arthritissupportboard.com/Anti_CCP_antibody_in_rheumatoid_arthitis.aspx http://arthritissupportboard.com/Anti_CCP_antibody_in_rheumatoid_arthitis.aspx https://www.hss.edu/conditions_understanding-rheumatoid-arthritis-lab-tests-results.asp
what are the chances of rheumatoid arthritis if anti CCP is positive