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Ova & Parasites
MessageThis test is often ordered x3. If three specimens are required, collect one every other day or 3 specimens in 10 days.
Wait three days after a barium enema before collecting specimen.
Wait three days after a barium enema before collecting specimen.
Test Code
Lab258
Alias/See Also
OVA
Stool - Ova & Parasites
Ova & Parasites Screen
O&P
Stool - Ova & Parasites
Ova & Parasites Screen
O&P
CPT Codes
87177
Preferred Specimen
Stool collected in Para-Pak PVA/Formalin containers
(Para-Pak PVA/Formalin containers are available at any MML Patient Service Center)
(Para-Pak PVA/Formalin containers are available at any MML Patient Service Center)
Minimum Volume
5 mL per container
Other Acceptable Specimens
None
Instructions
Collect specimen using provided bedpan; do not urinate into the
bedpan.
Using the provided collection spoons, transfer sufficient stool (walnut size scoop or 5 mL liquid stool) to each Para-Pak vial, using 1 pink and 1 blue vial for each bowel movement.
Tighten the cap on each of the vials, adequately mix the specimens, and return labeled vials to zip lock bag.
If other stool tests are ordered, use a separate container for the additional test.
bedpan.
Using the provided collection spoons, transfer sufficient stool (walnut size scoop or 5 mL liquid stool) to each Para-Pak vial, using 1 pink and 1 blue vial for each bowel movement.
Tighten the cap on each of the vials, adequately mix the specimens, and return labeled vials to zip lock bag.
If other stool tests are ordered, use a separate container for the additional test.
Transport Container
1 pink and 1 blue vial per bowel movement
Transport Temperature
Ambient
If transport delayed, refrigerate specimen
If transport delayed, refrigerate specimen
Specimen Stability
Ambient – 3 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Improper or no label
Improper storage and transport
Inappropriate collection such as - specimen in diaper, toilet paper, or exam gloves, specimen containing water or urine, or barium specimens.
Specimen leaked in transit
Specimen collected on rectal swab.
Improper storage and transport
Inappropriate collection such as - specimen in diaper, toilet paper, or exam gloves, specimen containing water or urine, or barium specimens.
Specimen leaked in transit
Specimen collected on rectal swab.
Methodology
Manual
Trichrome permanent stain
Formalin- ethyl acetate wet mount
Setup Schedule
Turnaround time is 14 days
Report Available
14 days
Reference Range
No ova or parasites observed
Clinical Significance
Detection and identification of intestinal parasites
Performing Laboratory
Meritus Microbiology
