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HelpTest Code LAB21138 Rheumatoid Factor, Body Fluid
Department
Send Outs
Reference Lab Test Number
RFBFL
Collection Requirements
Specimen source required: Cerebrospinal fluid (CSF), pericardial, pleural or synovial fluid
Primary Collection Container
Sterile Cup
Transport
Fluid Refrigerated
Preferred Transport Temperature
Refrigerated
Processing
Collect body fluid in a sterile container. Centrifuge fluid to remove cellular material. Send 1.0 mL fluid in a screw capped vial.
Stability
Ambient: 24 hours
Refrigerated: 7 days
Frozen: 30 days
Minimum Testing Volume
0.5 mL
Methodology
Quantitative Immunoturbidimetry
Performed
Sunday – Saturday
Reported
4-6 days
CPT Codes
86431
Unacceptable Conditions
Fluids other than those listed above, specimens too viscous to be aspirated by instrument