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HelpRheumatoid Factor, Serum
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Gold Top (SST-Gel)
Specimen Requirements
Preferred:
Container/Tube: Gold Top (SST-Gel)
Minimum Volume: 1 mL
Also Acceptable:
Container/Tube: Other SST Gel, Red Top Tube
Specimen Stability
Ambient: 24 hours
Refrigerate: 8 days
Frozen: 3 months
Reference Range
0-14 IU/mL
Methodology
Turbidimetric immunoassay
CPT
86431
Test Alias
RA