LAB TEST
Gastrin blood test
The gastrin blood test measures the amount of the hormone gastrin in blood.
How the Test is Performed
A blood sample is needed .
How to Prepare for the Test
Certain medicines may affect the results of this test. Your health care provider will tell you if you need to stop taking any medicines. Do not stop taking any medicine before talking to your provider. Medicines that can increase the gastrin level include: Stomach acid reducers, such as antacids H2 blockers…
How the Test will Feel
When the needle is inserted to draw blood, some people feel moderate pain. Others feel only a prick or stinging sensation. Afterward, there may be some throbbing or a slight bruise. This soon goes away.
Why the Test is Performed
Gastrin is the main hormone that controls the release of acid in your stomach. When there is food in the stomach, gastrin is released into the blood. As the acid level rises in your stomach and intestines, your body normally makes less gastrin. Your provider may order this test if you have signs or symptoms of a…
Normal Results
Normal values are generally less than 100 pg/mL (48.1 pmol/L). Normal value ranges may vary slightly among different laboratories. Some labs use different measurements or test different samples. Talk to your provider about the meaning of your specific test result.
What Abnormal Results Mean
Too much gastrin can causes severe peptic ulcer disease. A higher than normal level may be due to: Chronic kidney disease Long-term gastritis Over-activity of the gastrin-producing cells in the stomach (G-cell hyperplasia) Helicobacter pylori infection of the stomach Use of antacids or medicines to treat heartburn…
Risks
There is little risk involved with having your blood taken. Veins and arteries vary in size from one person to another and from one side of the body to the other. Taking blood from some people may be more difficult than from others. Other risks associated with having blood drawn are slight but may include: Excessive…
References
Bohórquez DV, Liddle RA. Gut sensory transduction. In: Feldman M, Friedman LS, Brandt LJ, eds. Sleisenger and Fordtran's Gastrointestinal and Liver Disease: Pathophysiology/Diagnosis/Management . 11th ed. Philadelphia, PA: Elsevier; 2021:chap 4. Siddiqi HA, Rabinowitz S, Axiotis CA. Laboratory diagnosis of…
This is a summary. Read the full article at www.ucsfbenioffchildrens.org (reviewed 30/07/2023).
This page is general information and is not medical advice. It does not replace a registered doctor, and it is not a prescription or a recommendation to use any medicine or test. Prices are listed prices and may change. Always follow the advice of your doctor or pharmacist.