RHEUMATOID FACTOR, FLUID

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

Rejection Criteria
Breast milk, salivary fluid, specimens too viscous to be aspirated by instrument

Methodology
Quantitative Immunoturbidimetry

Stability
Room Temperature: 24 hours; Refrigerated: 7 days; Frozen: 14 days

Reference Range
Not established

Performed
Sunday-Saturday

Turnaround Time3-5 days
Test CodeRFFL
CPT-4 Code (s)
86431
LOINC Codes
Specimen source   31208-2  
RF, Body fluid   15203-3  

Warde
Medical
Laboratory