Rheumatoid Factor Screen with Reflex to Titer, Synovial Fluid

Test Code

15384

Includes

If Rheumatoid Factor, LA Screen is positive, then Rheumatoid Factor, LA Titer will be performed at an additional charge (CPT code(s): 86431)

Preferred Specimen

1 mL synovial fluid

Minimum Volume

0.3 mL

Transport Container

Sterile screw-cap vial

Transport Temperature

Refrigerated (cold packs)

Specimen Stability

Room temperature: 24 hours
Refrigerated: 7 days
Frozen: 21 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Gross hemolysis • Visible particulate matter

Methodology
Latex Agglutination (LA)

FDA Status
This test is not available for New York patient testing.

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.