Please consult Chemical Pathologist before requesting the test.
This test is for Protein Losing enteropathy investigation, however is not reliable in the presence of diarrhoea.
Preferred sample type: Random faecal collection. Serum (blood) sample only required is A1AT deficiency is suspected.
A timed specimen collection is no longer available.
Note false elevations occur with diarrhoea, GI blood loss. False reduction occur when pH <3.5 (e.g. from gastric acid hypersecretion). | 
