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|
Compliance Statement B: For laboratory developed tests not using a RUO kit, and for FDA approved, cleared or 510(k) exempt assays with alterations. 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.
|Component Test Code*||Component Chart Name||LOINC|