CALPROTECTIN, FECAL

Test Code

LAB7849

CPT Codes
83993

Preferred Specimen

Sterile Container

Note: Raw stool must be sent for testing. DO NOT use transport media or preservatives.

Minimum Volume

1 mL semi-solid stool or 10 mm diameter solid stool (2 mL semi-solid stool or 20 mm diameter solid stool OPTIMAL)

Transport Container

Sterile container

Transport Temperature

Refrigerate

Specimen Stability

2-8°C up to 72 hours
-20°C up to 3 freeze/thaw cycles

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Specimens collected in transport media or preservatives will be rejected

Methodology
Chemiluminescent Immunoassay

Setup Schedule

M, T, W, Th, F

Batched; once per day performed

Report Available

Same day tested

Reference Range

Value (ug/g)	Interpretation
<50 µg/g or less	Normal
50-120 µg/g	Borderline
>120 µg/g	Elevated

Clinical Significance

Aids in differentiation of inflammatory bowel disease (IBD) from irritable bowel syndrome (IBS) and other functional disorders of the gastrointestinal (GI) system. Aids in monitoring IBD and prediction of relapse.

Performing Laboratory
Alverno Central Lab

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.