Haematoporphyrin test

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The haematoporphyrin test is one of the most accurate tests for detecting blood in stool .

The hematoporphyrin test is not affected by food peroxidases . Since porphyrins are not broken down by gastric acids, false-positive test results can still occur occasionally. Especially in patients with upper gastrointestinal disorders associated with bleeding, such as: B. with duodenal or gastric ulcer , it comes to these false results.

Alternatively, the less precise guaiac test is used.

This article is about a health issue. It is not used for self-diagnosis and does not replace a diagnosis by a doctor. Please note the information on health issues !