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Rheumatoid Factor Screen with Reflex to Titer, Synovial Fluid
Test Code15384X
CPT Codes
86430<br /> ** This test is not approved for New York patient testing **
Includes
If RF Screen is positive, RF Titer will be performed at an additional charge (CPT code(s): 86431)
Preferred Specimen
1 mL synovial fluid in a sterile screw cap container
Minimum Volume
0.3 mL
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
Room temperature: 24 hours
Refrigerated: 7 days
Frozen: 21 days
Refrigerated: 7 days
Frozen: 21 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis • Visible particulate matter • Lipemic sample
Methodology
Latex Agglutination (LA)
Setup Schedule
Evening Sets up 2 days a week.