Synovial Fluid, Rheumatoid Factor

Synonyms

  • LAB652
  • RF
  • SYNOVIALF RHEUM FACTOR

Cerner Name

Rheumatoid Factor Synovial Fluid

Clinical Info

The most consistent serologic finding in patients with Rheumatoid Arthritis is an increase in the concentration of RF IgM in blood 
and synovial fluid. RF by Turbidimetry is 95% IgM

Specimen Sources

Ankle, Left Ankle, Right Elbow, Left Elbow, Right Finger, Left Finger, Right Foot, Left Foot, Right Hand, Left Hand, Right Hip, Left Hip, Right Jaw, Left Jaw, Right Joint Knee, Left Knee, Right Shoulder, Left Shoulder, Right Toe, Left Toe, Right Vertebra Wrist, Left Wrist, Right Show more...

Specimen Types

Body Fluid Synovial Fluid

Specimen Volume

1 mL synovial fluid ( 0.3 mL min)

Container

Screw Cap

Collection Instructions

Container/Tube: Sterile container
Specimen: 1 mL synovial fluid ( 0.3 mL min)
Transport Temperature: Refrigerated

Transport Instructions

Refrigerated

Specimen Stability

7 Days Room Temperature
14 Days Refrigerated
60 Days Frozen

Methodology

Turbidimetry

Days Performed

TAT: 8-15 Days

Performing Laboratories

LabCorp Esoterix Inc
4301 Lost Hills Road
Calabasas Hills, CA 91301-5358

CPT

86431
LOINC Code 30231-5

PDM

5910980

Results
Component Name Base Name Common Name External Name
RF BY TURB, SYNOVIAL FLUID RFTURBSF RF BY TURB, SYNOVIAL FLUID RF by Turb, Synovial Fluid

Result Interpretation

<15 IU/mL

Forms
Chemistry LAB652 build edit