Disaccharidase, Tissue


Sunquest Code:DISACC  
Epic Code:LAB6994Epic Name:Disaccharidase, Tissue
Methodology:Spectrophotometry
Test Includes:Lactase; Maltase; Palatinase; Sucrase
Turnaround Time:Specimens are sent to reference laboratory Mon-Sat; results are reported within 2-6 days.
Compliance:

This test was developed and its performance characteristics determined by ARUP Laboratories. The U.S. Food and Drug Administration has not approved or cleared this test; however, FDA clearance or approval is not currently required for clinical use. The results are not intended to be used as the sole means for clinical diagnosis or patient management decisions.



Collection Instructions

Specimen:Tissue
Container:Container, Tissue, sterile (Plastic leakproof container, sterile)
Collection Instructions:Collect small bowel by endoscopy. Place two 5 mg biopsies of tissue on the wall of a small, tightly-capped plastic tube without any supporting media or an ARUP Standard Transport Tube. Freeze within 2 hours of collection.
Causes for Rejection:Room temperature or refrigerated specimens. Specimens placed on gauze filter paper or any other type of support media. Tissue preserved in formalin.


Processing and Shipping

Specimen Processing:Store on dry ice.
Shipping Instructions:Ship on dry ice.
Stability:Sample is stable for 6 months frozen.
Test Performed at or Referral Lab Lab Sendouts  (ARUP)
Referral Lab number:3002037


Interpretive

Reference Range:
Lactase Greater than or equal to 10.0 µmol/min/g protein
Maltase Greater than or equal to 100.0 µmol/min/g protein
Palatinase Greater than or equal to 9.0 µmol/min/g protein
Sucrase Greater than or equal to 25.0 µmol/min/g protein
   


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