Gastrin, Serum

Useful For:
Gastrin is a gastrointestinal hormone that stimulates release of gastric acid, pepsin, and intrinsic factor. Gastrin concentrations are increased with pernicious anemia and dramatically increased with Zollinger-Ellison syndrome.

Methodology: Immunoassay

Specimen Requirements: 1 yellow-top SST tube (minimum: 0.5 mL of serum) drawn following an overnight (12-14 hour) fast.
Centrifuge SST soon after clotting. Separate serum and FREEZE immediately. Send specimen frozen in plastic vial.

NOTE: Red-top is also acceptable.

Analytical Time: 3 days

Days Set Up: Monday through Friday

CPT Information:
82941 –