Laboratory Test Information Guide

Details for Gastrin, Serum

Test Name: Gastrin, Serum
Alternate Name(s):  
Laboratory: Core
Specimen Type: Adult:
5 mL Gold top Vacutainer tube

Pediatric:
2-10 years: 3.5 mL Gold top Vacutainer tube
Collection Information: It is RECOMMENDED that patient be fasting for a minimum of 12 hours.

Minimum volume of serum required is 1 mL.
Requisition: GENERAL LABORATORY REQUISITION
Test Schedule: Referred out Monday-Friday
Turnaround time from when specimen
is received in testing laboratory:
 
Routine
10 days
Stat
 
 
Reference Range: < 100 ng/L
Effective Date: 2017-11-07
Revised Date:  
Critical Value:  
Interpretive Comments: Please note: Testing method changed November 7, 2017.
Special Processing: Allow blood to clot at room temperature and separate WITHIN 30 minutes by centrifugation. Transfer serum to a labelled tube, cap tightly, and freeze.
Comments: Main use is to diagnose Zollinger-Ellison syndrome (gastrinoma).

Elevated levels also occur with pernicious anemia, atrophic gastritis, previous vagotomy, renal failure, or use of acid suppressing drugs such as histamine H2-receptor antagonists or proton pump inhibitors.
Method of Analysis: IMMULITE 2000
Critical Information Required:  
Storage & Shipment: Store and ship serum frozen.
System Codes: 
Cerner
GAST
 
Referred To: LifeLabs

Questions? Comments? Contact Laura Gopaul