0.5 mL serum in red top or serum separator tube for baseline sample (labeled PRE) and 0.5 serum in red top or serum separator tube for each post sample (labeled POST).
Test Description
Cortisol Assay, 3 Samples: PRE (Baseline) and 2 POST ACTH Stimulation.
This is an ACTH stimulation test that requires three samples. One PRE cortrosyn administration and then two POST at established intervals.
Interferences: Marked hemolysis may affect results, and marked lipemia (if unable to be cleared by centrifugation) may falsely decrease cortisol levels.