Gastrin Serum GASTRIN

Synonyms

Allscripts (AEHR) Order Name

Gastrin, Serum

Sunrise Clinical Manager (SCM) Order Name

Gastrin, Serum

Clinical Info

Diagnose Zollinger-Ellison (Z-E) syndrome; diagnose gastrinoma. Gastrin >1000 pg/mL with gastric acid hypersecretion (basal acid secretion >15 mmol/hour in a patient with peptic ulcer who has not had surgery) establishes unequivocally the diagnosis of the Zollinger-Ellison syndrome.4 Antral G-cell hyperplasia may relate to high gastrin levels and duodenal ulcer.
 

Specimen Type

Blood

Container

Gold Top Tube

Collection Instructions

Container/Tube: Gold top or Red Top Tube
Specimen: 0.5 mL serum (0.3 mL min)
Transport Temperature: Frozen
Stability: 14 Days Frozen
Patient Preparation: The patient must be fasting overnight, 12 to 14 hours.

Transport Instructions

Frozen

Specimen Stability

14 Days Frozen
Patient Preparation: The patient must be fasting overnight, 12 to 14 hours.

Methodology

Immunochemiluminometric assay (ICMA)
 

Days Performed

Performing Laboratory

LabCorp

CPT

82941
 
LOINC Code  2333-3

PDM

5900160

Result Interpretation

Pediatric^1-3 and adults:
• 0 to 1 month: 69−190 pg/mL
• 2 to 22 months: 55−186 pg/mL
• 22 months to 16 years:
− Fasting 3 to 4 hours: 2−168 pg/mL
− Fasting 5 to 6 hours: 3−117 pg/mL
− Fasting >8 hours: 1−125 pg/mL
• Older than 16 years: 0−115 pg/mL

Forms