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. 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, 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
See report
Performing Laboratory
Quest Valencia