Pathology

Test & Collection Guide

Faecal Alpha 1 Antitrypsin

Ordering information:

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).

Laboratory:

Referred Test

Test Code:

FAAT

Specimen types:

Faeces
Serum

Container types:

Faeces-plain pot

Collection Instructions:

Transport specimen at Room Temperature to lab

Minimum Adult Volume:

5 g

Paediatric Minimum Volume:

2 g

Frequency:

As required

Result Turnaround Time:

4-6 weeks

Laboratory Use Only

Storage Instructions:

Freeze sample within 6 hours

Transport Instructions:

Transport Frozen

External Laboratory:

Royal Brisbane & Womens Hospital

External Laboratory details...