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ID:946 Faecal Calprotectin
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DescriptionCalprotectin is measured in a stool sample by ELISA. Calprotectin is excreted in excess into the intestinal lumen during inflammatory processes and can act as a marker for inflammatory diseases of the lower gastrointestinal tract. Intended to distinguish between inflammatory bowel disease and non-inflammatory bowel disease.
Indication Faecal calprotectin testing can support clinicians with the differential diagnosis of inflammatory bowel disease (IBD) or irritable bowel sybdrome (IBS) in patients with recent onset lower gastrointestinal symptoms.
Additional Info This test should only be used according to the Leeds Map of Medicine Change In Bowel Habit (CIBH) pathway as a guide to differentiate between IBD and IBS (and other causes e.g. coeliac disease should be excluded separately). DO NOT USE if Cancer is suspected - follow the Leeds Map of Medicine CIBH pathway.
Concurrent Testsna
Dietary Requirementsna

Interpretation<50ug/g Low risk of IBD. For management as per primary care IBS guidelines. >50ug/g Refer to Gastroenterology. This test should only be used according to the Leeds Map of Medicine CIBH pathway as a guide to differentiate between IBD and IBS (and other causes e.g. coeliac disease should be excluded separately)

Ref. Range (Male)<50
Ref. Range (Female) <50
Ref. Range (Paed)
Ref. Range Notes
Unitsug/g


IP Acute TAT14 days
IP Routine TAT- Not Defined -
GP Acute TAT14 days
GP Routine TAT- Not Defined -
Turnround CommentThe assay is batch dependant
Originally edited by : Anna McHugh. Last edited on 28/06/2017 10:03:31. Published By AM on 28/06/2016 10:03:31.