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HelpTest Code LAB206 Rheumatoid Factor, Quantitative
Useful For
The diagnosis and prognosis of rheumatoid arthritis
Methodology
Immunoturbidimetric
Performing Laboratory
Bozeman Health Laboratory Services
Specimen Requirements
Specimen Type: Plasma or serum
Container/Tube: Light-green top (lithium heparin gel), red top, or gold top
Specimen Volume: 1 mL
Specimen Minimum Volume: 0.5 mL
Specimen Rejection: Hemolyzed samples may be rejected.
Specimen Transport Temperature
Ambient <24 hours/Refrigerated >24 hours
Specimen Stability
| Specimen Type | Temperature | Time |
|---|---|---|
| Plasma or Serum | Ambient | 1 day |
| Refrigerated | 8 days | |
| Frozen | 3 months |
Reference Values
0-15 IU/mL
Day(s) Test Set Up
Monday through Friday
Test Classification and CPT Coding
86431