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Test Code Calprotectin Calprotectin, Stool

Performing Laboratory

Munson Medical Center Laboratories

Methodology

Chemiluminescence Immunoassay (CLIA)

Specimen Requirements

Preparation of Patient:

None

 

Container Type:

Sterile no preservative container

 

Specimen Type:

Stool

 

Specimen Volume:

.5 grams

 

Specimen Handling/Transport:  

Transport refrigerated 2 – 8 °C

 

Specimen Stability/Storage:

Ambient: 6 hours

Refrigerated: 2 – 8 °C 72 hours

Frozen: -20 °C or below 16 weeks *3 freeze-thaw cycles

 

Specimen Rejection:

Very solid stools are not suitable for testing

Sample containing any preservative

Test Priority & Frequency

Non-Emergent

Wednesday & Friday

Turnaround: 0 - 5 days

Reference Values

Reference Range: < 50 µg/g

 

Result Interpretation: 

Result Interpretation

> 120 µg/g

 Elevated

50 - 120 µg/g

 Boarderline

< 50 µg/g

 Normal

Re-evaluation of borderline fecal calprotectin levels after 4 - 6 weeks is recommended to determine the inflammatory status.  This decision should be made by the clinician in conjunction with the patient's clinical symptoms, medical history, and other clinical and laboratory finidings.

 

Critical Decision Level: None

Test Classification and CPT Coding

83993