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Rheumatoid Factor, Synovial Fluid

Specimen:

Collect

  • Synovial Fluid in SST

Also Acceptable:
  • Synovial Fluid in Green Top (Li Heparin)
  • Synovial Fluid in Lavender (EDTA)
  • Synovial Fluid in Pink Top (EDTA)
  • Synovial Fluid in Red Top
  • Synovial Fluid in Sterile Specimen Container

Submit

  • 1 mL (Min:0.5 mL) Synovial Fluid . Submit Refrigerated.

Special Handling

  • Centrifuge specimen to remove cellular material.

Stability

Ambient: 1 Day(s); Refrigerated: 8 Day(s); Frozen: 3 Month(s); Incubated: Unacceptable

Methodology

  • Turbidimetric

Performed

Mon-Fri

Reported

1-3 Day(s)

CPT Codes

  • 86431

Interpretive Data

General Reference Range : <20 IU/ml

No quantitative reference range established. Reported results may assist clinicians with diagnostic interpretation. This test has not been cleared or approved by the US Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes.

Components

  • 2342 - RA FACTOR, SYN FLD
Last Updated: October 10, 2024 @ 9:13 am

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Common Lab Definitions

  • Serum 
  • Plasma 
  • STT