BACK TOTOP Browse A-ZSearchBrowse A-ZABCDEFGHIJKLMNOPQRSTUVWXYZ0-9 E-mail FormEmail ResultsName:Email address:Recipients Name:Recipients address:Message: Print-FriendlyBookmarksbookmarks-menuGastrin blood testPeptic ulcer - gastrin blood testThe gastrin blood test measures the amount of the hormone gastrin in blood. How the Test is Performed A blood sample is needed.Blood sample is neededVenipuncture is the collection of blood from a vein. It is most often done for laboratory testing.Read Article Now Book Mark Article 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 gastrin level include:Stomach acid reducers, such as antacids H2 blockers (cimetidine and famotidine) Proton pump inhibitors (omeprazole and pantoprazole)Some of these medicines are available without a prescription. Discuss non-prescription medicines you are taking with your provider.Drugs that can decrease gastrin level include caffeine, corticosteroids, and the blood pressure drugs deserpidine, reserpine, and rescinnamine. 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 problem linked to an abnormal amount of gastrin. This includes peptic ulcer disease.Peptic ulcer diseaseA peptic ulcer is an open sore or raw area in the lining of the stomach or intestine. There are two types of peptic ulcers:Gastric ulcer -- occurs in...Read Article Now Book Mark Article 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 also be due to:Chronic kidney disease Long-term gastritis GastritisGastritis occurs when the lining of the stomach becomes inflamed or swollen. Gastritis can last for only a short time (acute gastritis). It may als...Read Article Now Book Mark Article 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 Zollinger-Ellison syndrome, a gastrin-producing tumor that may develop in the stomach or pancreas Zollinger-Ellison syndromeZollinger-Ellison syndrome is a condition in which the body produces too much of the hormone gastrin. Most of the time, a small tumor (gastrinoma) i...Read Article Now Book Mark Article Decreased ability of the stomach to produce acid Previous stomach surgery Risks There is little risk involved with having your blood taken.Veins and arteries vary in size from one patient 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 bleeding Fainting or feeling lightheaded Multiple punctures to locate veins Hematoma (blood accumulating under the skin) Infection (a slight risk any time the skin is broken) Open ReferencesReferencesBohórquez 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 gastrointestinal and pancreatic disorders. In: McPherson RA, Pincus MR, eds. Henry's Clinical Diagnosis and Management by Laboratory Methods. 24th ed. Philadelphia, PA: Elsevier; 2022:chap 23.AllVideoImagesTog Tests for Gastrin blood test Gastrin blood testRelated Information Zollinger-Ellison syndrome(Condition)Tumor(Condition)Hyperplasia(Medical Test) Review Date: 7/28/2021 Reviewed By: Brent Wisse, MD, Board Certified in Metabolism/Endocrinology, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team. The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed medical professional should be consulted for diagnosis and treatment of any and all medical conditions. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. © 1997- © 1997- All rights reserved. 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