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Lactoferrin, Quantitative, Stool
Test Code17321
CPT Codes
83631<br>**This test is not available for New York patient testing**
Preferred Specimen
1 gram stool in sterile plastic leak-proof container
Minimum Volume
0.3 gram
Instructions
Collect undiluted feces in clean, dry, sterile leak-proof container. Do not add fixative or preservative.
Patients may collect stool and hold at room temperature until it can be properly refrigerated or frozen, but no more than 14 days.
Patients may collect stool and hold at room temperature until it can be properly refrigerated or frozen, but no more than 14 days.
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
Room temperature: See Collection Instructions
Refrigerated: 14 days
Frozen: 21 days
Refrigerated: 14 days
Frozen: 21 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Specimen collected in formalin • MF • SAF • PVA • Cary-Blair media
Methodology
Immunoassay (IA)
Setup Schedule
Set up: Tues, Thurs, Sat; Report available: 2-4 days
Limitations
False-positive results are observed in breast-fed infants.
Clinical Significance
The lactoferrin IBD-scan is a quantitative enzyme linked immunosorbent assay for measuring concentrations of fecal lactoferrin, a marker for leukocytes. An elevated level is an indicator of intestinal inflammation. The test can be used as an in vitro diagnostic aid to distinguish patients with active Inflammatory Bowel Disease (IBD) from those with non-inflammatory irritable bowel syndrome (IBS).
