Test ID DSAC Disaccharidase Activity Panel, Tissue
Shipping Instructions
Freeze immediately after collection and ship frozen.
Specimen Required
Specimen Type: Tissue
Source: Intestinal biopsy
Container/Tube: Clean, screw-topped plastic vial
Specimen Volume: 5 mg
Collection Instructions: Specimen should not be placed on gauze or filter paper, nor should any saline, support or embedding material be added.
Forms
Useful For
Evaluation of patients who present with signs or symptoms suggestive of disaccharidase disorders
This test is not intended for carrier detection.
Method Name
Spectrophotometry
Reporting Name
Disaccharidase Activity Panel, TsSpecimen Type
TissueSpecimen Minimum Volume
See Specimen Required
Specimen Stability Information
Specimen Type | Temperature | Time | Special Container |
---|---|---|---|
Tissue | Frozen | 28 days | OTHER |
Reference Values
Lactase: ≥14.0 nmol/min/mg protein
Sucrase: ≥19.0 nmol/min/mg protein
Maltase: ≥70.0 nmol/min/mg protein
Palatinase: ≥6.0 nmol/min/mg protein
Glucoamylase: ≥8.0 nmol/min/mg protein
Day(s) Performed
Monday through Friday
Report Available
3 to 5 daysPerforming Laboratory

Test Classification
This test was developed, and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the US Food and Drug Administration.CPT Code Information
82657
LOINC Code Information
Test ID | Test Order Name | Order LOINC Value |
---|---|---|
DSAC | Disaccharidase Activity Panel, Ts | 57765-0 |
Result ID | Test Result Name | Result LOINC Value |
---|---|---|
608237 | Lactase | 81315-4 |
608238 | Sucrase | 30372-7 |
608239 | Maltase | 30315-6 |
608240 | Palatinase | 81314-7 |
608241 | Glucoamylase | 81322-0 |
608242 | Interpretation | 57779-1 |
608243 | Reviewed By | 18771-6 |