Rheumatoid Factor (RF)
Test Code: 006502
Performing Lab: LabCorp
CPT Code: 86431 001
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Synonym
RA Latex; RA Latex, Turbidimetry; RF Titer; Rheumatoid Factor (RF)
Specimen Type
Serum or plasma
Specimen Container
Red-top tube, gel-barrier tube, lavender-top (EDTA) tube or green-top (heparin) tube
Volume
1 mL
Minimum Volume
0.5 mL(NOTE: This volume does NOT allow for repeat testing.)
Unacceptable Conditions
Hemolysis; lipemia
Temperature
Maintain specimen at room temperature.
Methodology
Latex immunoturbidimetry
Stability
Room Temperature: 14 days
Refrigerated: 14 days
Frozen: 14 days
Result Code
Result Name
LOINC
006171
Rheumatoid Factor (RF)
11572-5
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