Casandra
Casandra Test Code QD11552Version 1 (DRAFT)
Performing Lab
Rheumatoid Factor, IgG, IgA, IgM
Also known as: RF, Rheumatoid arthritis, RA
Clinical Use
Order TestUse
This test measures rheumatoid factor isotypes—IgG, IgA, and IgM—which are autoantibodies associated with rheumatoid arthritis and other autoimmune conditions. Detection of multiple RF isotypes may enhance diagnostic sensitivity and specificity compared to RF IgM alone.
Special Instructions
Not provided.
Limitations
Not provided.
Test Details
Methodology
Not provided.
Biomarkers
Not provided.
Result Turnaround Time
1-4 days
Related Documents
For more information, please review the documents below
Specimen Requirements
Specimen
Serum
Volume
Not provided
Minimum Volume
Not provided
Container
SST
Stability Requirements
| Temperature | Period |
|---|---|
| Refrigerated | 2 weeks |
| Frozen | 3 months |
Related Tests
Other tests from different labs that may be relevant
Rheumatoid Factor Isotypes, IgG, IgA, and IgM by EIA (RDL)
Labcorp
Rheumatoid Factors, IgA, IgG, and IgM by ELISA
ARUP Laboratories
Rheumatoid Factor, IgM by EIA (RDL)
Labcorp
Rheumatoid Factor, IgA by EIA (RDL)
Labcorp
Rheumatoid Factor, IgG by EIA (RDL)
Labcorp
Rheumatoid Factor by Turbidimetry (RDL)
Labcorp
Rheumatoid Factor (RF)
Labcorp
Rheumatoid Factor, Serum
Mayo Clinic Lab
Rheumatoid Arthritis (RA) Panel with Reflex to Rheumatoid Factors, IgA, IgG, and IgM by ELISA
ARUP Laboratories
Rheumatoid Arthritis (RA) Profile
Labcorp