Giardia Antigen, EIA, Stool
Test Code
Clinical Significance
Giardia Antigen, EIA, Stool - Giardiasis is recognized as an important human intestinal disease in most areas of the world. The causative organism, Giardia duodenalis (lamblia) is the most frequently identified protozoan parasite in stool specimens submitted to public health laboratories. This parasite has been implicated in a number of epidemics and the endemicity in the U.S., is well recognized. Acute symptoms of Giardiasis may include diarrhea, malabsorption, abdominal cramps, anorexia, nausea, weight loss, flatulence, anemia, and general weakness lasting from several weeks to several months. Chronic infections can also ...
Test Resources
Test FAQ
Diagnosis of Intestinal ParasitesTest Details
Methodology
Reference Range(s)
Preferred Specimen(s)
10 grams or 10 mL stool preserved in Total-Fix® or 10% formalin transport vial
Alternative Specimen(s)
Cary-Blair medium • Fresh unpreserved stool
Minimum Volume
5 grams or 5 mL
Collection Instructions
Transfer stool within 30 minutes of collection into formalin or Total-Fix vial. Fill to line on transport vial. Mix contents thoroughly until homogenous.
Transport Container
Total-Fix or 10% formalin transport vial
Transport Temperature
Total-Fix or 10% formalin: Room temperature
Cary-Blair: Refrigerated (Cold Packs)
Unpreserved: Frozen
Specimen Stability
- Total-Fix
- Room temperature: 14 days
- Refrigerated: 7 days
- Frozen: Unacceptable
- 10% formalin
- Room temperature: 18 months
- Refrigerated: 7 days
- Frozen: Unacceptable
- Cary-Blair
- Room temperature: Unacceptable
- Refrigerated: 7 days
- Frozen: 7 days
- Unpreserved
- Room temperature: Unacceptable
- Refrigerated: 48 hours
- Frozen: 14 days
Reject Criteria
Concentrated fecal specimens • Stool in transport media other than those listed above • Swab
Setup Schedule
Cary-Blair: Refrigerated (Cold Packs)
Unpreserved: Frozen
Room temperature: 14 days
Refrigerated: 7 days
Frozen: Unacceptable
10% formalin
Room temperature: 18 months
Refrigerated: 7 days
Frozen: Unacceptable
Cary-Blair
Room temperature: Unacceptable
Refrigerated: 7 days
Frozen: 7 days
Unpreserved
Room temperature: Unacceptable
Refrigerated: 48 hours
Frozen: 14 days