Pepsinogen II Blood Test (PGII)

Pepsinogen II (PGII) is a proenzyme produced by the gastric mucosa and is released into the bloodstream in proportion to gastric glandular mass and mucosal turnover. Measuring PGII in a simple blood sample gives clinicians a useful window into the state of the stomach lining, particularly when considered alongside symptoms, history, and other gastric markers.

This test is for adults who are being investigated for persistent indigestion, upper abdominal discomfort, bloating, nausea, or other dyspeptic symptoms. It is also helpful for those with known risk factors for gastric mucosal change, including chronic Helicobacter pylori infection, long-term use of acid-suppressing medication, pernicious anaemia, or a family history of gastric conditions. It may be used to support the assessment of atrophic gastritis and to help distinguish patterns of mucosal involvement.

Gastric Mucosal Markers
- Pepsinogen II (PGII): a proenzyme reflecting gastric mucosal glandular activity and turnover, useful in the broader evaluation of gastric mucosal status.

PGII is often interpreted alongside Pepsinogen I and the PG I/PG II ratio, which together provide a more complete picture of gastric mucosal health. Your clinician will consider your result in the context of your symptoms, medical history, medication use, and any other investigations.

Why it matters
Gastric mucosal changes can develop quietly over many years, and early recognition supports timely discussion, appropriate follow-up, and informed decisions about further assessment. A simple blood sample can provide meaningful insight into the health of your stomach lining, helping you and your clinician take the next step with confidence.