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Rheumatoid Factor, Body Fluid
2003347
Ordering Recommendation

Refer to aruplab.com/bodyfluids for clinical indications and interpretive information.

Mnemonic
RA-FL
Methodology
Quantitative Immunoturbidimetry
Performed
Sun-Sat
Reported
Within 24 hours
New York DOH Approval Status
Specimens from New York clients will be sent out to a New York DOH approved laboratory, if possible.
Submit With Order
ARUP Consult®
Disease Topics
Specimen Required
Patient Preparation
 
Collect
CSF, Pericardial, Pleural, or Synovial fluid.  
Specimen Preparation
Centrifuge to remove cellular material. Transfer 1 mL body fluid to an ARUP Standard Transport Tube. (Min: 0.5 mL)  
Storage/Transport Temperature
Refrigerated.  
Unacceptable Conditions
Specimen types other than those listed. Specimens too viscous to be aspirated by instrument.  
Remarks
Specimen source must be provided.  
Stability
Ambient: 24 hours; Refrigerated: 1 week; Frozen: 1 month (should not be thawed more than once)  
Reference Interval
Interpretive Data
For information on body fluid reference ranges and/or interpretive guidance visit http://aruplab.com/bodyfluids/


Compliance Statement B: This test was developed and its performance characteristics determined by ARUP Laboratories. The U.S. Food and Drug Administration has not approved or cleared this test; however, FDA clearance or approval is not currently required for clinical use. The results are not intended to be used as the sole means for clinical diagnosis or patient management decisions.
Note
CPT Code(s)
86431
Components
Component Test Code*Component Chart NameLOINC
2003348Rheumatoid Factor, Body Fluid15203-3
2013048Rheumatoid Factor Fluid Source31208-2
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • RF body fluids