1.0 mL EDTA plasma in plain, non-additive tube labeled as
"Pre" EDTA plasma, and 1.0 mL EDTA plasma in plain,
non-additive tube labeled as "Post" EDTA plasma. All samples
should be kept cold.
Test Description
Recommended if results from CL525 were previously normal but disease is still strongly suspected.
See CL525 and CL525P for additional drawing instructions.