Evaluate carbohydrate malabsorption due to disaccharidase deficiency.
Orderable SIM Number(s)
DISACCHARIDASE, TISSUE (ARUP) (LAB123191)
ARL CPT Code: 82657
Synonyms
DBT
Disaccharidease, Small Bowel Biopsy
Palatinase
Isomaltase
Lactase
Maltase
Sucrase
LAB123191
ARUP Test Code
3002037
Collect
Two 5 mg biopsies of small bowel tissue. Use DISACT (Disaccharidase) Tissue collection kit (ARUP Supply #64011) available online through eSupply using ARUP Connect™ or contact Client Services at 800-522-2787.
Specimen Preparation
Use DISACT (Disaccharidase) Tissue collection kit (ARUP Supply #64011) available online through eSupply using ARUP Connect(TM) or contact Client Services at (800) 522-2787.
Place one biopsy on wall of each collection tube without any supporting media and freeze within 2 hours of collection. (Min: two 5 mg biopsies).
Storage/Transport Temperature
Frozen. Ship on dry ice.
Unacceptable Conditions
Specimens placed on gauze, filter paper, or any other type of support media. Specimens preserved in formalin or in liquid.
Collection kit below needs to be used for this test
Reference Interval
Component
Reference Interval
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
CPT Codes
82657
Billable SIM Number(s)
3018265701
LOINC
14178-8
1942-2
14168-9
29640-0
57779-1
Overview
Ordering Recommendations
Evaluate carbohydrate malabsorption due to disaccharidase deficiency.
Orderable SIM Number(s)
DISACCHARIDASE, TISSUE (ARUP) (LAB123191)
ARL CPT Code: 82657
Synonyms
DBT
Disaccharidease, Small Bowel Biopsy
Palatinase
Isomaltase
Lactase
Maltase
Sucrase
LAB123191
ARUP Test Code
3002037
Specimen
Collect
Two 5 mg biopsies of small bowel tissue. Use DISACT (Disaccharidase) Tissue collection kit (ARUP Supply #64011) available online through eSupply using ARUP Connect™ or contact Client Services at 800-522-2787.
Specimen Preparation
Use DISACT (Disaccharidase) Tissue collection kit (ARUP Supply #64011) available online through eSupply using ARUP Connect(TM) or contact Client Services at (800) 522-2787.
Place one biopsy on wall of each collection tube without any supporting media and freeze within 2 hours of collection. (Min: two 5 mg biopsies).
Storage/Transport Temperature
Frozen. Ship on dry ice.
Unacceptable Conditions
Specimens placed on gauze, filter paper, or any other type of support media. Specimens preserved in formalin or in liquid.
