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HelpOrder Code LAB5010 Rheumatoid Factor (RF)
Additional Codes
| Test Name in EPIC | EPIC Test Code | Mnemonic |
| RV Rheumatoid Factor | LAB5010 | RF |
Useful For
Diagnosis and prognosis of Rheumatoid Arthritis
Specimen Requirements
Specimen Type: Serum
Collection Tube/Type:
Preferred: Serum SST
Accetpable: Plain red top
Specimen Volume: 2 mL
Minimum (Pedatric) Volume: 1 mL
Note: Centrifuge specimens and remove serum from cellular material within 2 hours of collection.
Specimen Stability
| Specimen Type | Temperature | Stability |
| Serum | Ambient | ≤1 day |
| Refrigerated | ≤3 days | |
| Frozen | ≤6 months |
Transport Temperature
Frozen
Reference Values
<12 IU/mL
Day(s) Test Set Up
Mondays and Thursdays
Performing Laboratory
Ridgeview Medcal Center, Waconia
Methodology
Two-Point Rate
Test Classification and CPT Coding
86431