Evaluate carbohydrate malabsorption due to disaccharidase deficiency.
Mon, Wed, Fri
Biopsies of 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 and freeze within 2 hours of collection. (Min: 2 (two) 5 mg biopsies)
Frozen. Ship on dry ice.
Specimens placed on gauze, filter paper, or any other type of support media. Tissue preserved in formalin.
Ambient: Unacceptable; Refrigerated: Unacceptable; Frozen: 6 months
|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|
This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the US Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes.
Laboratory Developed Test (LDT)
|Component Test Code*||Component Chart Name||LOINC|