| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
Giardia/Cryptosporidium Antigen, Feces
Test CodeGAGC - MM MMC
CPT Codes
87328, 87329
Preferred Specimen
Stool
- Para-Pak Formalin Vial (Pink lid) - Fill to red line on vial.
Other Acceptable Specimens
Stool - Submit one of the following:
- Para-Pak C&S Vial (Orange lid) - Fill to red line on vial.
- 5 gm unpreserved stool in sterile screw-capped container.
Instructions
A copy of the Stool Collection Patient Instructions (located under laboratory information) should be given to the outpatient or as follows:
- Collect stool sample and add to pink top vial (Para-Pak 10% formalin).
- Add stool up to red line indicated on vial label.
- Twist cap on tightly and shake container well.
- Label each container (not the lid) with two patient identifiers (full name, DOB or MR), date and time of collection.
- If multiple specimens are submitted, they must be collected at least 1 day apart.
- Transport to lab at room temperature.
Specimen Stability
| Specimen Type | Temperature | Time |
| Stool in Formalin Vial (Pink) | Ambient | 2 months |
| Stool in C&S Vial (Orange) | Ambient | 2 weeks |
| Unpreserved Stool | Refrigerate | 2 hour |
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Stool received in PVA vial (Gray lid)
Methodology
Enzyme Immunoassay (EIA).
Setup Schedule
Monday through Sunday; Continuously
Report Available
Same day
Reference Range
Negative.
Critical value (automatic call-back): all positives.
Critical value (automatic call-back): all positives.
Performing Laboratory
McKee Medical Center - Microbiology/Molecular Laboratory
