Calprotectin, Fecal

Additional Information:

UFHPL Epic order code: LAB3007

CPT Code(s):

83993

Collection Procedure:

Specimen: Stool (unpreserved, random)

Volume: 1 g

Container: Clean screw-capped plastic vial

Collection: Do not contaminate outside of container; do not overfill container. Loose stools are acceptable.

Storage Instructions: Stool specimens should be received by the laboratory within 10 days of collection. Samples are stable for four days before testing at 2°C to 8°C. Freeze at -20°C if samples will not be tested within four days. Stable frozen up to one year from collection. Temperature should not exceed 30°C during shipment.

Use:

An in vitro diagnostic to aid in the diagnosis of inflammatory bowel disease (IBD), Crohn's disease, and ulcerative colitis, and to differentiate IBD from irritable bowel syndrome (IBS) in conjunction with other clinical and laboratory findings.

Methodology:

Chemiluminescence

Reported:

3 - 6 days

Reference Values:

Calprotectin Concentration Interpretation Follow-up
16−50 μg/g Normal None
>50−120 μg/g Borderline Reëvaluate in 4 to 6 weeks
>120 μg/g Abnormal Repeat as clinically indicated