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Collagen (Arthritis) Panel
Test CodeCD
CPT Codes
84550; 85652; 86038; 86431
Includes
Uric Acid, Erythrocyte Sedimentation Rate, Fluorescent Anti-Nuclear Antibody Profile, and Rheumatoid Factor (Rheumatoid Arthritis)
Preferred Specimen
LAV, SST and Red
Minimum Volume
Serum Gold Top: 0.5 mL; Serum Red Top: 2 mL; EDTA Purple Top: 2 mL
Transport Container
1 Serum Gold Top Tube, 1 Serum Red Top Tube and 1 EDTA Purple Top Tube
Transport Temperature
Room Temperature or Refrigeration
Specimen Stability
Room Temperature - 4 hours; Refrigerated - 3 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Quantity Not Sufficient, IV Contamination, Clotted EDTA (purple top) Tube
Methodology
Colorimetric (Uric Acid), Multibead Assay (FANA Profile), and Westergren (ESR)
Setup Schedule
Daily upon receipt for all tests except FANA Profile.
For FANA Profile: Screens are started daily at 8:00 am; Titers are started Monday, Wednesday and Friday
Report Available
Upon completion of analysis; FANA screens and titers - available by 3:00 pm
Limitations
Pathologically high levels of IgG (>2500 mg/dL) may interfere with quantitation of RF.
Reference Range
See individual tests or patient report for reference ranges.
Clinical Significance
The Collagen Panel is a group of tests that can be used to assist in the diagnosis of rheumatic diseases such as Rheumatic Arthritis and Systemic Lupus Erythematosus.