Test Overview
Test Methodology

Chemiluminescent Immunoassay

Test Usage

Evaluation of patients suspected of having a gastrointestinal inflammatory process. Aids in distinguishing irritable bowel disease (IBD) from irritable bowel syndrome (IBS), when used in conjunction with other diagnostic modalities, including endoscopy, histology, and imaging.

Reference Range *

Negative: <50.0 mg/kg
Indeterminate: 50.0 – 120 mg/kg
Positive: >120.0 mg/kg

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Details
Days Set Up
Analytic Time

8 hours

Soft Order Code
MiChart Code
Calprotectin, Fecal
Chemical Pathology
Special Chemistry
Specimen Requirements
Collection Instructions

Collect random stool sample and refrigerate. Sample must reach special chemistry within 11 days refrigerated or 7 days at room temperature of collection. Separate specimens must be submitted when multiple tests are ordered. Specimen cannot be added on to a previously collected specimen. Specimen cannot be collected from a diaper. If a specimen delayed longer than 11 days, freeze.

Normal Volume
5 grams stool
Minimum Volume
1 gram stool
Additional Information

Fecal calprotectin results are obtained with the INova QUANTA Flash Calprotectin Chemiluminescent Immunoassay. Values obtained with different manufacturers’ assay methods must not be used interchangeably.

CPT Code
Fee Code