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Important Note

Results found (in Meditech) under Header: Other Body Source

Performing Location

University of Vermont Medical Center


Trichrome Stain and Microscopic Exam on concentrate.

Reference Range

No ova and parasites seen

Specimen Information




Collect Vol

Submit Vol

Minimum Vol

Total Fix Vial Feces


10 mL 10 mL 1 mL 72 hours
Sterile Container Duodenal Aspirate* Ambient 10 mL 10 mL 1 mL 2 hours
Sterile Container Respiratory* Ambient 5 mL 5 mL 1 mL 2 hours
Sterile Container Other* Ambient 5 mL 5 mL 1 mL 2 hours

Deliver specimen to laboratory as soon as collected. All stool samples for ova & parasite should be collected in Total Fix Vial (supply #032040). Three samples may be necessary to detect certain parasites. These specimens should be collected every other day or every day but not within the same day during a time frame of no more than 10 days to detect intermittent shedding of parasites. If patient has been hospitalized more than 3 days, testing should not be performed. If the patient has not traveled outside of the U.S., order CryptosporIdium/Giardia antigen test.


*Submit sterile container within 2 hours of collection.

Collection and Transport of Sample for Fecal Ova and Parasites

  • Collect sample in a bedpan, avoiding contamination with urine.
  • If patient is at home, collect specimen in Stool Collection Commode or have the patient put plastic wrap over toilet bowl.
  • At least 1 mL (size of a walnut) of sample is needed. Do not fill stool above the fill line on the transport vial
  • If the specimen cannot be transported to the lab within two hours, inoculate stool into a transport vial (Total Fix) which can be obtained from Customer Service (802) 847-5121. Transport to the lab within 72 hours.
  • All vials should be inverted several times so the sample and preservative are well mixed.

LOINC Code Information

Order Code Reporting Name LOINC Code
OP Ova/Parasite Exam 10704-5



Manual Method


Description CPT Code
Ova & Parasite Exam 87177
Trichrome Stain 87209


Test Schedule / Analytical Time / Test Priority

Monday – Friday / 1 day / Not available STAT



Is the UVMMC lab NY State Certified to perform this testing?  Yes/No