Test Details
Mnemonic
FELES
Ordering Code
3700496
CPT-4 Code(s)
89055
Specimen Information
Patient Preparation
Patients should refrain from ingesting barium for 7 days before specimen collection.
Collect
Stool in Total-Fix® transport vial.
Specimen Preparation
Place 10.0 g or 10.0 mL stool in a Total-Fix® transport vial and send room temperature. Stool must be collected in a clean dry container and must not be contaminated with urine or water. Add stool to bring the liquid to the "fill to here" line and mix contents until homogeneous.
Alternate Specimen
Stool in Zn-PVA
Minimum Volume
5.0 g or 5.0 mL
Transport Temperature
Room temperature
Rejection Criteria
Stool in Cary-Blair transport medium, frozen stool, specimens containing barium or received in other than Zn-PVA or Total-Fix®, unpreserved stool
Stability
Room temperature: 6 months
Refrigerated: Not recommended
Frozen: Unacceptable
Refrigerated: Not recommended
Frozen: Unacceptable
Methodology
Microscopy
Reference Range
Fecal Leukocyte Not Detected
Performing Laboratory
Quest SJC
New York DOH Approval Status
Yes