1.0 mL PRE EDTA plasma, 1.0 mL 10-min POST, AND 1.0 mL 30-min POST EDTA plasma (label ALL accordingly).
Test Description
ACTH Endogenous PRE (Equine), ACTH TRH Stim 10-min POST (Equine), and ACTH TRH Stim 30-min POST (Equine).
Sample Handling:
• 12‑hour fast with one flake of hay left in the stall.
• Administer 1 mg of TRH.
• Draw sample at 10-min POST with EDTA whole blood tube.
• Draw sample at 30-min POST with EDTA whole blood tube.
• Centrifuge and draw off plasma. Transfer plasma to a non‑additive tube and label as plasma. Lab will not run sample on whole blood.
• Send on ice.