RHEUMATOID FACTOR, BODY FLUID

Specimen Required
Specimen source required.
Acceptable fluids: CSF, Pericardial, Pleural or Synovial fluid
Collect body fluid in a sterile container. Centrifuge fluid to remove cellular material. Send 1.0 mL fluid (0.5 mL minimum) refrigerated in a screw-capped vial.

Rejection Criteria
Fluids other than those listed above, specimens too viscous to be aspirated by instrument.

Methodology
Quantitative Immunoturbidimetry

Stability
Room temperature: 24 hours; Refrigerated: 7 days; Frozen: 1 month

Reference Range
Not established

Performed
Sunday-Saturday

Turnaround Time3-5 days
Test CodeRFBFL
CPT-4 Code (s)
86431
LOINC Codes
Rheumatoid Factor, Body Fluid:   15203-3  
Rheumatoid Factor Fluid Source:   31208-2  

Warde
Medical
Laboratory