Liquid Elastase Samples – To Test, or Not to Test? That is The Question…
Alison Jones, Consultant Clinical Biochemist, York and Scarborough NHS Foundation Trust It is well documented that liquid/watery stool samples should not be tested for faecal elastase due to the risk of a false low result suggesting pancreatic insufficiency (a false positive). This is not a failure of the assay – it works in exactly the…