Test Code OPALL Ova and Parasite Exam
Important Note
Ova & Parasites, Stool
| Dept: | Microbiology |
| SPECIMEN COLLECTION REQUIREMENTS | |
| Collection Container: | A sterile container or preserved, in 10% formalin or EcoFix within 24 hours of collection |
| Specimen: | Stool |
| Collection Notes: | Recommended for foreign travel (include relevant travel history on requisition), recent immigrants or immunocompromised patients. For routine O&P screening, please order test 10382 (Giardia/Cryptosporidium Screening). |
| Transport Temperature: | refrigerated transport preferred(2-8oC); ambient (15-30oC) |
| Specimen Volume: | Preferred Volume: 10 gram or 5 mL; Minimum Volume: 10 grams or 5 mL |
| Also Acceptable: | Raw stool in a sterile container. |
| TECHNICAL SPECIFICATIONS | |
| Performed: | Monday - Friday |
| Reported: | 3-5 Days |
| Methodology: | Microscopic examination of concentrated preparation. Trichrome stain done on all specimens. |
| CPT: | 87177 |
| LOINC: | 10704-5 |
| Stability: | Room Temperature: 24 Hours; preserved specimens: 30 days at room temperate |
| Reference Range: |
No ova or parasites seen on Trichrome stain and Iodine Wet Mount. |
| Notes: |
Storage Conditions: ambient (15-30oC); refrigerated (2-8oC); Includes Trichrome stain. Does NOT include Cyclospora or Enterobius Vermicularis, pinworm (test # 9802). These tests must be ordered separately with different specimen types. In order to adequately rule out a parasitic infection, it is recommended that three separate stool samples be provided on three consecutive days. |