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HelpTest Code GIAR Giardia Antigen, Feces
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Specimen Type
FecalOrdering Guidance
Duodenal, colonic wash, or small bowel aspirates are not acceptable for this test. If giardiasis is suspected, order OPE / Ova and Parasite, Travel History or Immunocompromised, Feces.
Specimen Required
Submit only 1 of the following specimens:
Preferred:
Specimen Type: Preserved feces
Supplies:
-Formalin 10% Buffered Neutral 15 mL (T466)
-Stool Collection Kit, Random (T635)
Container/Tube:
Preferred: Fecal container with 10% buffered formalin preservative
Acceptable: SAF (sodium acetate formalin)
Specimen Volume: 5 grams
Specimen Stability Information: Ambient (preferred) 60 days
Acceptable:
Specimen Type: Unpreserved feces
Supplies:
-Stool container, Small (Random), 4 oz (T288)
-Stool Collection Kit, Random (T635)
Container/Tube: Fecal container
Specimen Volume: 5 grams
Specimen Stability Information: Frozen 60 days
Specimen Minimum Volume
2 grams
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Fecal | Varies | ||
Reference Values
Negative
Day(s) Performed
Monday through Friday
CPT Code Information
87329
Report Available
1 to 3 daysSpecimen Retention Time
Fresh/Frozen: 1 week; Preserved specimens: 1 weekReject Due To
| Grossly bloody feces (containing no visible specimen) Very mucoid feces Specimens preserved in ECOFIX (green cap), C and S (orange cap), or methiolate formalin (MF) Duodenal aspirates Small bowel aspirates |
Reject |