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 |