Lactoferrin, Qualitative, Stool : 10156

Test Code
LACTFQ or 10156

CPT Codes

Patients may collect stool and hold at room temperature or refrigerated temperature. The time held at room temperature must not exceed 48 hours from time of collection. Collect undiluted feces in clean, dry, sterile, leak-proof container. Do not add fixative or preservative. Keep refrigerated (preferred). If held ambient by the Patient, time must not exceed 48 hours from time of collection before it is refrigerated and transported to the lab.

Transport Container
Transport 1 gm stool collected in a sterile screw cap container (Min: 0.3 gm).

Transport Temperature

Specimen Stability
Ambient: Unacceptable ; Refrigerated: 14 days; Frozen: 21 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Room temperature; Specimen received in transport media.

Immunoassay (IA)

Setup Schedule
Tuesday & Friday

Report Available
2-6 days (From receipt at performing laboratory)


Reference Range

Clinical Significance
Lactoferrin is a marker for fecal leukocytes and a positive result is an indicator of intestinal inflammation. This elevation may be caused by acute infectious colitis or active inflammatory bowel disease (IBD). The test may not be appropriate in immunocompromised persons. In addition, this test is not FDA cleared for patients with a history of HIV and/or hepatitis B and C, patients with a history of infectious diarrhea (within 6 months), and patients having had a colostomy and/or ileostomy within 1 month.

Performing Laboratory
Quest Diagnostics

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.