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CALFC
CALPROTECTIN, FECES

Test Code CALFC 
Test CALPROTECTIN, FECES 
Methodology ENZYME-LINKED IMMUNOABSORBENT ASSAY (ELISA) 
Description Useful for the evaluation of patients suspected of having a gastrointestinal inflammatory process.

Distinguishing inflammatory bowel diseas (IBD) from irritable bowel syndrome (IBS), when used in conjunction with other diagnostic modalities, including endoscopy, histology and imaging. 

Specimen Stool container, urine cup
1-5 g stool sample

Collect a fresh random stool specimen, no preservatives, and store at 2-8 degrees C during transport
Separate specimens must be submitted when multiple tests are ordered; do not add on to previously collected specimen.
Specimen can not be collected from a diaper. 

Reference Values 27.1 - 49.9 mg/kg (Normal; No follow-up)
50.0 - 120.0 mg/kg (Borderline; Re-evaluate at 4-6 weeks)
>120.0 mg/kg (Abnormal; Repeat as clinically indicated) 
Analytic Time 1 Day 
Day(s) Test Set Up Once per week, Saturday or Sunday 
CPT Code(s) 83993