| Giardia/Cryptosporidium Antigen Screen (8000100038) | |
|---|---|
| Test Mnemonic: | O GICR |
| Specimen Requirements: | |
| Test Included: | Cryptosporidium antigen Giardia antigen Both tests are run on the same testing card so both tests are performed and reported. |
| Collection: | Feces and submit in ParaPak preservative containers. |
| Container: | Para Pak container |
| Minimum Volume: | Fill to indicated lines on Para Pak vials |
| Storage/Transport: | Room temperature |
| Specimen Preparation: | ParaPak containers are required |
| Stability: | 7 days |
| Causes for Rejection: | Polyvinyl alcohol ( PVA ) preservative only; colonic washes, aspirates, or other non-stool specimens; unlabeled samples or mislabeled samples, no date and time of collection on requisition form. |
| Reference Range: | Negative |
| Turnaround Time: | Test is performed daily Monday through Friday |
| Methodology: | EIA capture membrane assay |
| Performed: | Clinical Microbiology |
| Synonyms: | Cryptosporidium assay; Giardia assay; Cryptospordium parvuum test; Giardia lamblia test; Ova and Parasite Exam; Intestinal Parasite Exam; Parasite, Intestinal Test; Cryptosporidium stain |
| Clinical Indication: | Screening test for the detection of Cryptosporidium and of Giardia antigens in fecal samples. These test replaces routine ova and parasite (O&P) examination |
| Patient Preparation : | Collection of feces into clean container and then transfer to Para Pak vials. |
| CPT 4 Code: | 87328, 87329 |
| Note: | EIA antigen detection is more sensitive than O&P microscopy for detection of Giardia and Cryptosporidium. Requests for O&P will be replaced with this test unless patient travel history and immunocompetency are noted on the request form. |
| When ordering tests for which Medicare or Medicaid reimbursement will be sought, physicians should only order tests that are medically necessary for the diagnosis or treatment of the patient. Components of the organ or disease panels may be ordered individually. The diagnostic information must substantiate all tests ordered and must be in the form of an ICD-10 code or its verbal equivalent. | |