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