Casandra
Casandra Test Code QD95243Version 1 (DRAFT)
Performing Lab
Rheumatoid Factor (IgA)
Also known as: RF, Rheumatoid arthritis, RA
Clinical Use
Order TestUse
In conjunction with clinical findings and other laboratory tests, the presence of rheumatoid factor (RF) can be used to aid in the diagnosis of rheumatoid arthritis.
Special Instructions
Not provided.
Limitations
Not provided.
Test Details
Methodology
Immunoassay
Biomarkers
Rheumatoid Factor (IgA)
ProteinIgA rheumatoid factor
Other • Categorical (e.g., Positive / Negative / Indeterminate)
Result Turnaround Time
1-4 days
Related Documents
For more information, please review the documents below
Specimen Requirements
Specimen
Serum
Volume
1 mL
Minimum Volume
0.3 mL
Patient Preparation
Overnight fasting is preferred
Causes for Rejection
Gross hemolysis • Grossly lipemic • Grossly icteric • Heat treated samples
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 48 hours |
| Refrigerated | 8 days |
| Frozen | 28 days |
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