Aqueous extracts of faeces can be used for the measurement of alpha-1-antitrypsin as a guide to the extent of protein loss into the gut as indicated in protein losing enteropathy.
Tube
Faeces Plastic Pot
ID
12822
Additional information
A positive result is useful in confirming protein-losing enteropathy and monitoring the progress of disease, however a negative result does not exclude protein-losing enteropathy.
Turn around
Refer to relevant laboratory for up to date turnaround times, allowing an additional 10 working days for samples processing, dispatch and reporting and validation of the results (estimated 28 days).
Send to
Samples should be sent to the department of Clinical Immunology at LGI who will refer to appropriate referral lab.
Contact
Referred to external laboratory (St George’s, London) https://www.swlpath.nhs.uk/tests-database/faecal-alpha-1-anti-trypsin/
Collection Con
Sample must be frozen on day of collection. Please inform the laboratory prior to requesting this test (ext 23414/23181).
Requests can only be accepted during laboratory working hours (Monday – Friday 8.30am to 5pm)
Frequency
Referred to external laboratory
Sample REQ
Faeces
Ref. Range Notes
See reference range on referral website.
Units
mg/gww
IP Acute TAT
Contact Immunology at LGI if sample is to be sent urgently.
GP Routine TAT
Refer to relevant laboratory for up to date turnaround times, allowing an additional 10 working days for samples processing, dispatch and reporting and validation of the results.
GP Acute TAT
Contact Immunology at LGI if sample is to be sent urgently.
GP Routine TAT
Refer to relevant laboratory for up to date turnaround times, allowing an additional 10 working days for samples processing, dispatch and reporting and validation of the results.