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UWHC Lab Test Details | |
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Test Name | Giardia/Cryptosporidium Ag |
Test Code(s) | GICR |
CPT Code(s) | 87329 and 87328 |
Methodology | Enzyme Immunoassay |
Clinical Information | This test simultaneously detects and differentiates Giardia cyst antigen and Cryptosporidium oocyst antigen in stool samples when giaridasis and/or cryptosporidiosis are suspected. |
Testing Site | University Hospital |
Days Performed | Mon-Fri, dayshift. |
In-Lab Turnaround Time | 1 - 3 days. |
Stat In-Lab Turnaround Time | Not available stat. |
Collection Requirements | |||||
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Specimen | Stool | ||||
Collection Container |
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Collection Instructions | Instructions for the collection of stool:
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Collection Volume | 1 mL | ||||
Pediatric Collection Volume | 1 mL |
Specimen Processing Requirements | |||||||
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Stability |
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Sample Analyzed | Stool | ||||||
Testing Volume | 0.1 mL | ||||||
Pediatric Testing Volume | 0.1 mL | ||||||
Specimen Transport | Transport specimen to the laboratory. | ||||||
Unacceptable Criteria | Specimens received on patients hospitalized more than 3 days are not acceptable.
Frozen Para-Pak® O&P, SAF (Sodium Acetate-Acetic Acid Formalin), or MF (Merthiolate Formalin) specimens
Stool specimens that have been concentrated or treated with PVA fixatives are not suitable for use with this test.
LIMIT: One specimen every 7 days. |
Interpretation | |
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Expected Results | Negative |
Additional Information | Tests ordered simulataneously with GI Pathogen Panel will autocancel.
Test of cure specimens should not be submitted.
Because these agents do not cause hospital acquired infection, specimens on patients who have been hospitalized greater than 3 days will require approval of the Director of Microbiology or Pathology Resident.
Optimal results are obtained with specimens that are less than 72 hours old.
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