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This test has not been approved for NY state clients.
Red-top tube; serum from red-top tube; serum from a gel tube; or serum gel tube
Separate serum from cells within one hour of collection. Transfer to a plastic transport tube before shipping.
Refrigerate or freeze.
Anti-CarP antibodies may be positive in about 10% of early RA patients who are RF-negative and anti-CCP-negative and may be present years before the onset of RA symptoms.1,2 Anti-CarP is associated with more active disease and higher risk of developing joint erosions.1 Anti-CarP levels especially in combination with RF- and Anti-CCP-positivity may predict joint erosion and radiographic progression.1
This test was developed and its performance characteristics determined by Labcorp. It has not been cleared or approved by the Food and Drug Administration.
Enzyme-linked immunosorbent assay (ELISA)
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