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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
ARUP Consult®
Disease Topics
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
ComponentReference Interval
LactaseGreater than or equal to 15.0 µmol/min/g protein
MaltaseGreater than or equal to 100.0 µmol/min/g protein
PalatinaseGreater than or equal to 5.0 µmol/min/g protein
SucraseGreater than or equal to 25.0 µmol/min/g protein

Interpretive Data


Compliance Statement B: 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.
Note
CPT Code(s)
82657 X4
Components
Component Test Code*Component Chart NameLOINC
2002249Sucrase14178-8
2002251Lactase1942-2
2002253Palatinase14168-9
2002255Maltase29640-0
2002487Disaccharidase Interpretation57779-1
* 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