Several diagnostic tests are available for detecting H. pylori, including:
Urea breath test - Measures carbon dioxide in the breath after ingestion of a urea solution. Stool antigen test - Detects H. pylori antigens in a stool sample. Blood antibody test - Detects antibodies against H. pylori in the blood. Endoscopic biopsy - Involves taking a tissue sample from the stomach lining for laboratory analysis.