Cryoglobulin, Serum, if positive reflex to Immunofixatin

Sample: Serum/Red Tube Collect blood in a PREWARMED Red Top (No Additive) tube using a PRE-WARMED syringe and needle at 37°C. Allow to clot and centrifuge preferably at 37°C. Separate serum and transport at room temperature.

Method: Immunofixation electrophoresis

TAT: 7 days