Update Type: Test Down or Delayed
Test Updated: 08/03/2022
Test Overview
Test Methodology


Test Usage

Detection and identification of parasitic protozoa and the eggs and larvae of parasitic helminths

Reference Range *

Negative; if positive, organism is identified

Test Details
Days Set Up
Monday - Saturday
Analytic Time

3 - 5 days

Soft Order Code
MiChart Code
Reference Laboratory
Mayo OAP
Special Testing
Specimen Requirements

Place specimen into preservative within 30 minutes of passage or collection. Follow instructions on the container as follows: a. Mix the contents of the tube with the spoon, twist the cap tightly closed, and shake vigorously until the contents are well mixed. Refer to the fill line on the Ecofix vial for stool specimens. b. Do not fill above the line indicated on the container.

Alternate Specimen
Additional Information: Stool placed in 10% buffered formalin can be accepted if accompanied by a PVA-preserved specimen; 10% buffered formalin-preserved specimens submitted without an accompanying PVA-preserved specimen will be canceled.
Duodenal aspirates, small bowel aspirates, or colonic washings should be placed in Ecofix in a ratio of 1:1
Normal Volume
To fill line on ECOFIX container
Minimum Volume
5 mL
Additional Information

Test performed by Mayo Clinic Laboratories

CPT Code
87209, 87177
Fee Code
AA891, AA892
NY State Approved