Skip to main content

Specimen Collection Manual and Test Catalog

  or
  or
  or

DISACCHARIDASE ANALYSIS AND INTERPRETATION

Geisinger Epic Procedure Code:  LAB2190    Geisinger Epic ID:  22151

SPECIMEN COLLECTION
Specimen type: 

Intestinal biopsy


Preferred collection container: 
Specimen required: 

5 mg intestinal biopsy; minimum 2 mg


Special notes: 

Approximately 5 mg of small bowel should be collected through endoscopy for the complete enzyme analysis. The tissue should be placed on the wall of a small, tightly capped, plastic tube appropriately labeled with the patient's name, date of birth, ID number, date specimen collected, and referring physician's name. A 1.5 mL microtube works well. Please do not place the tissue on gauze, filter paper, or use any type of support medium.



SPECIMEN PROCESSING
Transport temperature: 

Freeze immediately and keep frozen for shipping on dry ice.


Specimen stability: 

Room Temperature: Unacceptable. Refrigerated: Unacceptable. Frozen: 30 days (-20°C).


Rejection criteria: 

Room temperature and refrigerated specimens unacceptable.



TEST DETAILS
Reference interval: 
DisaccharidaseRangeAbnormal
Lactase24.5 +/-8.0< 15.0
Sucrase54.4 +/- 25.4< 25.0
Maltase160.8 +/- 62.8< 100.0
Palatinase11.1 +/-6.5< 5.0

Units = uM/min/gram protein


CPT code(s):  82657 x 4
Note: The billing party has sole responsibility for CPT coding.  Any questions regarding coding should be directed to the payer being billed.
The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.

Test includes: 

Disaccharidases, analysis and interpretation.


Methodology: 
Enzymatic
Synonyms: 

DISACA


Review Date:  11/13/2024

Performing Locations