A pancreatic digestive enzyme that appears unchanged in the faeces. Low concentrations are found in patients with exocrine pancreatic insufficiency.
|Availability||Weekdays. Batches are run weekly.|
|Additional Information||Elastase not fully developed in newborns. Not useful in identifying mild disease. Very watery samples should be avoided because the dilutional effect of the stool water can lead to a falsely low result. If a low result is found in a watery sample, a repeat sample will be requested by the laboratory. Very hard/dry stool samples cannot be processed|
|Turn Around||2 - 3 weeks|
|Send to||Enterics Laboratory
Old Medical School
Great George Street
Leeds LS1 3EX
|Collection Con||Instructions for laboratory: Refrigerate or freeze if not sending same day. Avoid multiple freeze-thaw cycles. Samples are stable at room temperature and at +4-8ºC for 7 days. Samples that are frozen at -20ºC are stable for up to 1 year.|
|Sample REQ||A single random formed stool sample approx. 2 g (cherry-sized). Avoid very watery or very hard stools where possible.|
|Ref. Range Notes||Normal: 200 to >500 ug/g stool.
Moderate to mild exocrine pancreatic insufficiency: 100-200 ug/g stool.
Severe exocrine pancreatic insufficiency: <100 ug/g stool.