Disaccharidase, Tissue
2002247
Ordering Recommendation
 
Mnemonic
DISAC
Methodology
Quantitative Spectrophotometry
Performed
Mon, Wed, Fri
Reported
1-5 days  
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
Specimen Required
Patient Preparation
  
Collect
Biopsies of small bowel by endoscopy.  
Specimen Preparation
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.  
Storage/Transport Temperature
Frozen. Ship on dry ice.  
Unacceptable Conditions
Room temperature or refrigerated specimens. Specimens placed on gauze, filter paper, or any other type of support media. Tissue preserved in formalin.  
Remarks
  
Stability
Ambient: Unacceptable; Refrigerated: Unacceptable; Frozen: 6 months  
Reference Interval
 
 
Component Reference Interval
Lactase Greater than or equal to 15.0 µmol/min/g protein
Maltase Greater than or equal to 100.0 µmol/min/g protein
Palatinase Greater than or equal to 5.0 µmol/min/g protein
Sucrase Greater than or equal to 25.0 µmol/min/g protein
Interpretive Data


See Compliance Statement B: www.aruplab.com/CS  
Note
 
CPT Code(s)
82657 X4
Components
Component Test Code*Component Chart Name
2002249Sucrase
2002251Lactase
2002253Palatinase
2002255Maltase
2002487Disaccharidase Interpretation
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • Isomaltase
  • Lactase
  • Maltase
  • Palatinase
  • Sucrase