Within 24 hours
CSF, Pericardial, Pleural, or Synovial fluid.
Centrifuge to remove cellular material. Transfer 1 mL body fluid to an ARUP Standard Transport Tube. (Min: 0.5 mL)
Specimen types other than those listed. Specimens too viscous to be aspirated by instrument.
Specimen source must be provided.
Ambient: 24 hours; Refrigerated: 1 week; Frozen: 1 month (should not be thawed more than once)
For information on body fluid reference ranges and/or interpretive guidance visit https://aruplab.com/bodyfluids/
Laboratory Developed Test (LDT)
|Component Test Code*||Component Chart Name||LOINC|
|2003348||Rheumatoid Factor, Body Fluid||30231-5|
|2013048||Rheumatoid Factor Fluid Source||31208-2|
- RF body fluids