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Rheumatoid Arthritis Diagnostic Panel 1
Test Code17669
CPT Codes
86431, 86200
Includes
Rheumatoid Factor
Cyclic Citrullinated Peptide (CCP) Antibody (IgG)
Cyclic Citrullinated Peptide (CCP) Antibody (IgG)
Preferred Specimen
2 mL serum
Minimum Volume
1 mL
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 4 days
Refrigerated: 7 days
Frozen: 30 days
Refrigerated: 7 days
Frozen: 30 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis • Grossly lipemic • Plasma
Methodology
Immunoturbidimetry • Immunoassay (IA)
Setup Schedule
P.M. Sets up 2 days a week.
Clinical Significance
The combination of RF and anti-CCP antibodies provide greater specificity for the diagnosis of Rheumatoid Arthritis (RA). CCP antibodies may be present earlier than RF and often indicate increased erosive disease in RA.
