If a peak is quantified, this assay will reflex to an immunofixation at an additional charge. This test is included in the ELP and free light chains with reflex to immunofixation, serum (12471) assay.
Immediately following collection, mix sample by gently inverting 5 times
Gold serum separator (SST) tube
Refrigerated (preferred) - 14 days
Frozen - 1 month
Capillary Zone Electrophoresis (CZE)