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Test Name:
Rheumatoid Factor, Synovial Fluid
- SBMF No:
43003 - Performance Lab Name:
Focus Diagnostics - Test Mnemonic:
BF RF - ABN:
Not required - CPT Code:
86431 - LOINC Code:
19146-0 - Ref Lab Test No:
70352 (Quest# S52058) - Spec Type:
Synovial fluid - Spec Container:
Plastic transport tube with threaded cap - Pref Vol:
1.0 mL - Spec Collect:
Collected by physician - Spec Store Transport:
Refrigerated - Spec Stability:
Room temperature (20-30°C): Unacceptable
14 days refrigerated (2-8°C)
30 days frozen (-20°C) – Do not use frost-free units that undergo repeated freeze/thaw cycles - Spec Reject:
Specimens other than synovial fluid - Methodology:
Latex Agglutination - Clinical Significance:
Rheumatoid factor may be present in synovial fluid in patients with rheumatoid arthritis. - Reference Range:
< 1:5 - Additional Test Info:
This test is referred through Quest Diagnostics Nichols Institute. - Day Run:
Mon-Fri - Time Reported:
2-5 days - Test Type:
IMMUNOLOGY
