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Test Code NBLD0422 Lactoferrin for Fecal Leukocytes, Stool

Useful For

A marker for fecal leukocytes and intestinal inflammation


Lactoferrin Testing

Performing Laboratory

Bozeman Health Laboratory Services

Specimen Requirements

Specimen Type: Fresh raw stool

Container/Tube: CLEAN VIAL (White top vial with no added preservatives)

Acceptable: Sterile container

Specimen Volume: 5 mL

Specimen Minimum Volume: 1 mL

Collection Instructions:

  1. Collect liquid or loose stool.
  2. Transfer stool to container.
  3. Label container with patient’s name (first and last), date and actual time of collection.

Specimen Rejection:

1. Stool contaminated with urine or water

2. Stool in preservative/fixative

3. Stool collected in a diaper

4.  Frozen stool

Specimen Transport Temperature



Specimen Stability


Specimen Type Temperature Time
Stool Ambient 14 days
  Refrigerated 14 days
  Frozen 1 month


Additional Information

  • Fecal samples from breast-fed infants should not be used with this assay.
  • Specimen optimal when obtained during acute phase of infection (5-7 days).
  • Patient should avoid recent antibiotics or x-ray contrast material, antidiarrheal medications, antacids, bismuth, or oil instillation.

Reference Values



A positive result indicates the presence of elevated fecal lactoferrin released from fecal leukocytes (WBCs) as a marker of intestinal inflammation.

Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding