A stomach hormone that regulates gastric acid production.
What is it
Gastrin is a hormone produced by stomach cells that stimulates gastric acid secretion. It is used in evaluating certain stomach and pancreatic conditions.
Why it's measured
Elevated gastrin has been studied in research on certain pancreatic and stomach tumors and in evaluation of acid-related disorders.
Reference range
Standard laboratory reference
< 100 pg/mL
Reference ranges vary by laboratory. Your individual reference range will appear on your test report and should be interpreted by your physician in the context of your overall health profile.
What results may indicate
Elevated
Has been associated with Zollinger-Ellison syndrome, certain medications (PPIs), and atrophic gastritis in research literature.
Lower
Is generally not clinically concerning.
These associations are general. They are not a personal diagnosis or prediction. Discuss your individual results with your physician in the context of your full health profile.
When it's measured
Used in specialized gastrointestinal evaluation.
Related markers
Measured in
A complete look at your heart, hormones, metabolism, inflammation, and longevity systems — drawn at Quest or LabCorp, reviewed by a U.S.-licensed physician.
Explore the Apex Panel →This information is for general educational purposes only and is not medical advice. Lab results alone are not intended to diagnose, treat, or cure any condition and do not replace the advice of a healthcare provider. OPTML does not offer medical advice, a diagnosis, medical treatment, or any form of medical opinion.