Rheumatoid Factor (IgA)
Also known as RF, RA, Rheumatoid arthritis
What it measures
- Rheumatoid Factor (IgA)LOINC 33313-8
Before the visit
Fasting preferred
Overnight fasting is preferred.
Specimen
- Specimen
- 1 mL serum
- Minimum volume
- 0.3 mL
- Container
- Transport tube
- Temperature
- Refrigerated (cold packs)
Turnaround
Set up: Tues-Fri
Billing
CPT 83520