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DISAC / FDSAC-M
DISACCHARIDASE INTESTINAL TISSUE

Test Code DISAC / FDSAC-M 
Test DISACCHARIDASE INTESTINAL TISSUE 
Methodology Spectrophotometry 
Description Lactase, sucrase, maltase, and palatinase (in lieu of isomaltase) activities can be determined from an intestinal biopsy weighing approximately 5 mg wet weight. 
Specimen Send 5 mg from an intestinal biopsy in a clean, screw-capped plastic vial. Freeze immediately after collection and ship frozen.

NOTE: Specimen should not be placed on gauze, filter paper, nor should any saline, support or embedding material be added. 

Reference Values Lactase: Range 24.5 +/- 8.0
Abnormal <15.0

Units = uM/min/gram protein

Sucrase: Range 54.4 +/- 25.4
Abnormal <25.0

Units = uM/min/gram protein

Maltase: Range 160.8 +/- 62.8
Abnormal <100.0

Units = uM/min/gram protein

Palatinase: Range 11.1 +/- 6.5
Abnormal <5.0

Units = uM/min/gram protein 
Analytic Time 1 Day 
Day(s) Test Set Up Tuesday through Friday 
CPT Code(s) 82657 4