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HelpTest ID FRHFG Rheumatoid Factor (IgG,IgA,IgM)
Method Name
Enzyme Linked Immunosorbent Immunoassay
Reporting Name
Rheumatoid Factor (IgG,IgA,IgM)Specimen Type
SerumDraw blood in a plain red-top tube(s), serum gel tube(s) is not acceptable. Spin down and send 1.8 mL of serum refrigerated in a plastic vial.
Specimen Minimum Volume
0.9 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum | Refrigerated (preferred) | 8 days |
| Frozen | 28 days |
Reference Values
Rheumatoid Factor (IgG) ≤6 Negative
>6 Positive
Rheumatoid Factor (IgA) ≤6 Negative
>6 Positive
Rheumatoid Factor (IgM) ≤6 Negative
>6 Positive
Day(s) Performed
Tuesday, Friday
Report Available
2 daysPerforming Laboratory
Quest Diagnostics Nichols InstituteCPT Code Information
83520 x 3