Shipping Instructions

Ship frozen

Specimen Required

Patient Preparation:

1. Fasting: 10 to 12 hours

2. Patient should not be on any medications or supplements that may influence cholecystokinin (CCK), glucose, growth hormone, insulin and/or somatostatin levels, if possible, for at least 48 hours prior to specimen collection.

Supplies: GI Preservative (T125)

Collection Container/Tube: GI preservative plasma tube

Submission Container/Tube: Plastic vial

Specimen Volume: 3 to 5 mL plasma

Collection Instructions:

1. Draw 10 mL of blood in a GI preservative plasma tube.

2. As soon as possible, centrifuge specimen in a refrigerated centrifuge.

3. Aliquot 3 to 5 mL plasma into a plastic vial and freeze at -20° C.

4. Ship frozen.