Alpha-1-Antitrypsin, Random Stool (Referred Out) - Saskatoon
Discipline
Biochemistry
Overview
Alias
- Alpha 1 antitrypsin, fecal
Specimen Information
Specimen types accepted
- Random fecal collection
Specimen collection container
- Preferred collection container: Sterile pink-top container
Collection procedure
- Collect random stool without contaminating with urine
- Place required amount of stool into a sterile plastic container
- Seal container lid tightly
- Deliver specimens to the laboratory collection site
- For laboratory: Freeze specimen upon receipt in lab; send frozen to the reference lab
Required volume
- Optimum volume: 5 g of feces
- Minimum volume: 1 mL homogenized stool
Transport and stability
- Stable 14 days, refrigerated or frozen
Rejection criteria
- Stool specimens contaminated with urine
- Specimens received where the collection protocols were not followed
- Pathology and Laboratory Medicine Acceptance and Rejection Criteria
Performance
Methodology
- Nephelometry
Days/times performed
| Availability |
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| Testing site |
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Maximum laboratory time
- One to two day turnaround time by testing laboratory
Other information
- Diagnosing protein-losing enteropathies, especially when used in conjunction with serum alpha-1-antitrypsin (A1A) levels as a part of A1A clearance studies
Last Updated: October 3, 2024