Rheumatoid Factor, Synovial Fluid

Last Modified: 9/22/2021 8:52:33 AM


Specimen Requirements: 1.0 mL Synovial Fluid in a Red Top Tube
Collection Instructions: Collect synovial fluid aseptically into tube

Minimum volume does not allow for repeat testing
Minimum Volume: 0.3 mL Synovial Fluid
Transport & Storage: Temperature/Stability: 7 days Ambient
14 days Refrigerated (transport)
60 days Frozen
Rejection Criteria: Gross hemolysis • Bacterial contamination • Lipemia • Icteric • Non-synovial body fluids
Reference Range: Refer to Interpretive Results
Methodology: Turbidimetric
Clinical Significance: 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.
Custom Panel: No

PRODUCTION SCHEDULE

Turn Around Time: 7 to 14 days
Days Performed: Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday
Sites Performed: Quest - Chantilly to Esoterix Laboratory
PHL Test Code: MSOT
EPIC Test Code:
Send Out Test Code: 901708 |
Alternate Test Names: Rheumatoid Factor (Body Fluid) by Turbidimetry; Rheumatoid Factor by Turbidimetry; Rheumatoid Factor by Turbidimetry, Synovial Fluid
CPT Coding: 86431

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