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Test Code FLK Fecal Leukocytes Stool, Direct Examination

Specimen Type

Feces (stool specimen)



Offsite Collection Instructions

See UCMC collection instructions.

UCMC Collection Instructions

Specimen Collection: Collect in clean, wide-mouth container. Use spoon in lid of EcoFix container to transfer specimen into EcoFix preservative. Fill to red line and mix.


The following substances may interfere with detection or identification of parasites: barium, mineral oil, bismuth, metronidazole, tetracyclines, antimalarial agents, and nonabsorbable antidiarrheal preparations. Specimen collection should be delayed for up to 2 weeks after discontinuation.

Specimen Volume and Container: Entire specimen if possible in clean, sealable container or EcoFix vial. 1 specimen per day for 3 days.

Specimen Transport: Clean container, < 2 hr; EcoFix vial, up to 21 days, no refrigeration

Microbiology Specimen Collection Tables
Please see link for Microbiology Specimen Collection Tables;

  • Category “Intestinal”, Type “Stool” Table 2 PARASITOLOGY


Monday through Saturday

Turnaround Time

Minimum 48 hours, Monday through Saturday

STAT Availability

Not Available

Test Methodology

EcocFix Stain

Additional Information

Not performed on patients in-house > 3 days

CPT Code


Fee Code