| Ordering Code | 4719 |
|---|---|
| Test Name | Giardia Lamblia Antigen Test |
| Alias | Giardiasis Test |
| Preferred Specimen | Stool |
| Preferred Container | 10% Formalin |
| Other Specimen/Container | Stool in SAF Preservative, Stool in Clean Container |
| Optimum Volume | 5 gm |
| Collection Instructions | Antacids, barium, bismuth, anti-diarrheal medication or oily laxatives prior to collection should not be used. Collect stool in a bed pan or a clean, widemouth container or a plastic bag placed over the toilet seat. |
| Handling Instructions | Unpreserved Stool: The sample should include any blood or mucus present to optimize parasite recovery. Refrigerate immediately. If transport will be >24 hours, specimen should be placed in preservative such as 10% Formalin or SAF Preserved Stool: The sample should include any blood or mucus present to optimize parasite recovery. Use the plastic spoon provided in the cap of the Formalin container to transfer 5 grams of sample into the vial. The liquid should come up to the "fill" line on the vial. Tightly cap the vial and shake firmly to insure that the specimen is adequately mixed with the solution. |
| Transport Requirements | Preserved Stool: Oahu: Ambient, Airline: Ambient Unpreserved Stool: Oahu: Refrigerated, Airline: Refrigerated |
| Specimen Stability | Unpreserved Stool: Ambient: 1 Hour Refrigerated: 1 Day Preserved Stool: Ambient: 1 Year Refrigerated: 1 Year |
| Rejection Criteria | Unpreserved stool received ambient, Frozen, Stool in preservatives other than 10% Formalin or SAF, Specimen contaminated with urine, Received in diapers or on toilet paper |
| Avail. Stat | NO |
| Analytic Time | 1 Day |
| Methodology | Direct immunofluorescence detection |
Reference range(s)
The reference ranges listed below are valid on this date of May 29, 2025.
| Component | Age | Male Norm | Male Critical Low | Male Critical High | Female Norm | Female Critical High | Female Critical Low | Units | Add'l info |
|---|---|---|---|---|---|---|---|---|---|
| Giardia Lamblia Antigen Test | ALL | NEGATIVE | NEGATIVE |