Home
HelpTest Code 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
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.
Specimen Type
SerumSpecimen Minimum Volume
1.2 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| 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 daysSpecimen Retention Time
14 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
86200
86431