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HelpTest ID RAPAN Rheumatoid Arthritis Panel, Serum
Ordering Guidance
This test is the optimal first-line antibody panel for evaluating patients at-risk for rheumatoid arthritis.
The following testing may also be useful:
ENAE / Antibody to Extractable Nuclear Antigen Evaluation, Serum
ADNA1 / Double-Stranded DNA (dsDNA) Antibodies , IgG, Serum
NAIFA / Antinuclear Antibodies, HEp-2 Substrate, IgG, Serum
CTDC / Connective Tissue Diseases Cascade, Serum
Specimen Required
Supplies: Sarstedt Aliquot Tube, 5 mL (T914)
Collection Container/Tube:
Preferred: Serum gel
Acceptable: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 2 mL
Collection Instructions: Centrifuge and aliquot serum into a plastic vial.
Secondary ID
616785Useful For
Evaluating patients suspected of having rheumatoid arthritis (RA)
Differentiating RA from other inflammatory arthritis or connective tissue diseases
Diagnosis and stratification of rheumatoid arthritis
Special Instructions
Specimen Type
SerumSpecimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum | Refrigerated (preferred) | 14 days |
| Frozen | 14 days |
Reject Due To
| Gross hemolysis | Reject |
| Gross lipemia | Reject |
| Gross icterus | OK |
| Heat-treated specimen | Reject |
Reference Values
Cyclic Citrullinated Peptide Antibodies, IgG
<20.0 U (negative)
20.0-39.9 U (weak positive)
40.0-59.9 U (positive)
≥60.0 U (strong positive)
Reference values apply to all ages.
Rheumatoid Factor
<15 IU/mL
Day(s) Performed
Monday through Saturday
Report Available
2 to 3 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
86200
86431
Forms
If not ordering electronically, complete, print, and send a Renal Diagnostics Test Request (T830) with the specimen.