A1AT
12 days
Quantitative enzyme-linked immunosorbent assay (ELISA)
Causes for Rejection Nonfecal sample received (eg, serum, plasma, urine), sample taken from diaper unless portion taken has not been in contact with diaper material, preserved stool received (eg, 10% Formalin, Merthiolate Formalin, Sodium Acetate Formalin, or Polyvinyl Alcohol).
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Measures A1AT in stool to detect protein-losing enteropathy. Non-degraded marker of intestinal protein loss.
Stool Frozen (unpreserved random)
1 gram
Clean, screw-capped, plastic vial with no preservatives
No special preparation is required for this test. You may eat, drink, and take your medications as normal, unless instructed otherwise by your healthcare provider.
This test does not require any special collection or pre-analytical handling. Follow routine specimen collection protocols.
| Temperature | Period |
|---|---|
| Room temperature | 14 days |
| Refrigerated | 14 days |
| Frozen | 14 days |