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Lactoferrin, Stool
Test CodeSTLACT
Alias/See Also
Lactoferrin, Feces
Quest Code
10156
Quest Code
10156
CPT Codes
83630
Preferred Specimen
1 gram undiluted stool collected in a sterile, dry leakproof container
Minimum Volume
0.3 grams
Patient Preparation
Patients may collect stool and hold at room temperature until it can be properly frozen. The time held at room temperature must not exceed 48 hours from time of collection.
Patient Preparation
Patients may collect stool and hold at room temperature until it can be properly frozen. The time held at room temperature must not exceed 48 hours from time of collection.
Instructions
Do not add fixative or preservative. From collection time to the time stool is frozen must not exceed 48 hours.
Transport Temperature
Frozen
Specimen Stability
Room temperature: 48 hours
Refrigerated: 48 hours
Frozen: 21 days
Refrigerated: 48 hours
Frozen: 21 days
Methodology
Immunoassay
Setup Schedule
Tuesday, Thursday, Saturday Evening
Report Available
Next day
Limitations
False-positive results are observed in breast-fed infants.
Clinical Significance
The Lactoferrin IBD-CHEK ® is a qualitative (QL) Enzyme Linked Immunosorbent Assay (ELISA) for measuring concentrations of fecal lactoferrin, a marker for leukocytes. A positive 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).
Performing Laboratory
Quest Diagnostics Nichols Institute
Chantilly, VA
Performing Laboratory
Quest Diagnostics Nichols Institute
Chantilly, VA
