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. |