Calprotectin, Feces


Abbrev Code:CALPRF   
Order Code:LAB6983Order Name:Calprotectin, Feces
Methodology:Chemiluminescent immunoassay
CPT Codes: 83993 x1
Turnaround Time:Performed three times per week; results are reported the next day.
Special Instructions:Samples must be received and processed by testing laboratory within 10 days of collection.


Collection Instructions

Specimen:Stool, unpreserved
Optimal Volume:5 g
Minimum\Peds Volume:1 g
Container:Plastic leakproof container, sterile
Causes for Rejection:Stool in media or preservative; stool in contact with diaper; stool not processed within 10 days of collection; stool not frozen within 3 days of collection; specimen transport temperature exceeds 30C.


Processing and Shipping

Shipping Instructions:Ship at refrigerated temperature.
Stability:72 hours refrigerated; 10 days frozen.
Test Performed at or Referral Lab UM Specialty Core/Prot/Endo (Liaison D) 


Interpretive

Reference Range:

Less than to 50 mg/kg

Normal

50-120 mg/kg

Borderline elevated. Re-evaluate and recollect a new sample in 4-6 weeks

Greater than 120 mg/kg

Abnormal. Suggestive of inflammatory bowel disease (IBD).

 

 

Use:Aids in the diagnosis of inflammatory bowel diseases (IBD, Crohn's disease, and ulcerative colitis), and GI tract infections; and to differentiate IBD from Irritable Bowel Syndrome (IBS).


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