Gastrin Test
- Category
- Digestive
- Sample
- Blood sample taken from a vein in your arm
- Reports () Terms & Conditions Report time varies with time of sample collection.
- In 3 days
- Fasting
- No Fasting
- Age
- 5+ Years
Measures gastrin, a hormone that stimulates stomach acid production.
Helps diagnose Zollinger–Ellison syndrome (gastrin-producing tumours causing severe ulcers) and evaluate atrophic gastritis.
Abdominal pain, diarrhoea, bloating, indigestion or suspected digestive disease.
No fasting needed.
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Yes. Proton-pump inhibitors raise gastrin; your doctor may ask you to stop them before testing.
No fasting is needed. You can eat and drink normally unless your doctor has advised otherwise.
Blood sample taken from a vein in your arm.
Usually within 31–55 hours after the sample reaches the lab. You will receive the report online.