GASTRIN

Specimen Required
Patient should fast 12 hours. Draw blood in a SST. Centrifuge, separate and send 2.0 mL serum (0.6 mL minimum) frozen in a screw-capped plastic vial. CRITICAL FROZEN.

Alternate Specimen
Serum: Red-top

Rejection Criteria
Grossly hemolyzed, lipemic or icteric specimens, EDTA plasma

Methodology
Chemiluminescence

Stability
Room Temperature: Unacceptable; Refrigerated: Unacceptable; Frozen: 30 days

Reference Range
13-115 pg/mL

Performed
Tuesday, Friday

Turnaround Time5 days
Test CodeGAS
CPT-4 Code (s)
82941
LOINC Codes
2333-3

Warde
Medical
Laboratory