Giardia Antigen, EIA, Stool
Use
Giardia is a protozoan that can cause diarrhea. Infection occurs after ingestion of contaminated food or water. Antigen detection is considered an alternative to stool examination. Included in gastrointestinal parasite diagnostic testing alternatives to microscopy-based stool parasitic exams like OPE (Ova & Parasite Examination). Used when giardiasis is specifically suspected, including outbreak scenarios.
Special Instructions
Not provided.
Limitations
Not provided.
Methodology
Immunoassay
Biomarkers
Result Turnaround Time
1-3 days
Related Documents
For more information, please review the documents below
Specimen
Stool
Volume
10 grams (5 grams minimum) or 10 mL (5 mL minimum)
Minimum Volume
Not provided
Container
Total‑Fix® or 10% formalin transport vial; Cary‑Blair medium; or fresh unpreserved stool
Collection Instructions
Transfer stool within 30 minutes of collection into formalin or Total‑Fix vial. Fill to line on transport vial and mix thoroughly.
Causes for Rejection
Unpreserved stool; stool previously concentrated; preserved in media other than those listed
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | Total‑Fix: 14 days; 10% formalin: 18 months |
| Refrigerated | Total‑Fix: 7 days; 10% formalin: 7 days; Cary‑Blair: 7 days; Unpreserved: 48 hours |
| Frozen | Total‑Fix: Unacceptable; 10% formalin: Unacceptable; Cary‑Blair: 7 days; Unpreserved: 14 days |
Other tests from different labs that may be relevant