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

Methodology

Microscopy
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Reference Range

See report
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Performing Laboratory

Quest Valencia
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