Casandra
Casandra Test Code QD13084Version 1 (DRAFT)
Performing Lab
Rheumatoid Factor, IgM
Also known as: RF, Rheumatoid arthritis, RA
Clinical Use
Order TestUse
Rheumatoid Factor (RF), particularly the IgM isotype, is an autoantibody commonly found in the blood of patients with rheumatoid arthritis (RA) and can also be elevated in other autoimmune diseases or chronic infections, as well as in elderly individuals without disease ([jdos.nicholsinstitute.com](https://jdos.nicholsinstitute.com/dos/yorkhospital/test/590568?utm_source=openai)).
Special Instructions
Not provided.
Limitations
Not provided.
Test Details
Methodology
Immunoassay (Immunoturbidimetric)
Biomarkers
Rheumatoid Factor IgM
ProteinIgM RF
Concentration / Level • Quantitative (Continuous) (e.g., copies/mL, % expression)
Result Turnaround Time
1-3 days
Related Documents
For more information, please review the documents below
Specimen Requirements
Specimen
Serum
Volume
1 mL
Minimum Volume
0.5 mL
Container
Transport tube (serum)
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 5 days |
| Refrigerated | 7 days |
| Frozen | 90 days |
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