Fecal Lactoferrin




Test Mnemonic

FECWBC

CPT Codes

  • 83630 - QTY (1)

LOINC ®

40703-1

Aliases

  • Fecal Lactoferrin
  • Fecal Leukocytes
  • Fecal WBC Non-microscopic
  • Lactoferrin
  • Stool Lactoferrin
  • Stool WBC
  • STLWBC

Performing Laboratory

Other


Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
1 gStoolClean container RefrigeratedSend specimen to Cleveland Clinic Microbiology Laboratory.

Minimum Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
0.1 g    Stool. Send specimen to Cleveland Clinic Microbiology Laboratory on day of collection. Recommended transport temperature is refrigerated.

Stability

Environmental Condition Description
AmbientUnpreserved stool: 2 weeks; Preserved stool: unacceptable
Frozen1 month at -20 degrees Centigrade
RefrigeratedUnpreserved stool: 2 weeks; Preserved stool: unacceptable

Days Performed

Mon-Fri, exclud Cleveland Clinic observed holidays

Turnaround Time

1 - 4 days

Methodology

Name Description
Enzyme Immunoassay (EIA) 
Immunochromatography 

Reference Range

Special Info

Preserved stool specimen are unacceptable.

Clinical Info

Lactoferrin is a marker for fecal leukocytes and an indicator of intestinal inflammation. Leukocytes are found in stools in the presence of infection with bacteria that invade the colonic mucosa (i.e. Salmonella, Shigella, Yersinia and invasive E. coli). Other disorders that may be associated with fecal leukocytes are ulcerative colitis, Crohns disease and antibiotic associated colitis. Fecal leukocytes are usually absent in diarrhea secondary to parasites or viruses.