Home
HelpDisaccharidase Activity Panel, Tissue
Additional Codes
LAB3051
Shipping Instructions
Freeze immediately after collection and ship frozen.
Specimen Required
Specimen Type: Tissue
Source: Intestinal biopsy
Supplies: 15 mL Tissue Tube-DSAC (T993)
Container/Tube: 15 mL tissue tube
Specimen Volume: 5 mg
Collection Instructions:
1. Place specimen in tissue tube.
2. Specimen should not be placed on gauze, filter paper, or swabs/wooden sticks and should not have any saline, water, support, or embedding material added.
Forms
If not ordering electronically, complete, print, and send 1 of the following forms with the specimen:
Specimen Type
TissueSpecimen Minimum Volume
See Specimen Required
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Tissue | Frozen | 28 days |
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 4 daysSpecimen Retention Time
Biopsy homogenate: 1 monthPerforming Laboratory
Mayo Clinic Laboratories in Rochester
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 |