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HelpTest Code LAB3762 Disaccharidase in Tissue
Additional Codes
DSACT
Clinical System Name
Disaccharidase in Tissue
Synonyms
Bowel Disaccharidases; Disaccharidases; Isomaltase; Lactase; Maltase; Palatinase; Sucrase
Sample Requirements
Specimen: Gastric Specimen
Container(s): Cryovial
Preferred Vol: 5.0 mg (x2)
Minimum Vol: 5.0 mg (x2)
Note: Obtain DRY ICE from Main Lab PRIOR to collecting sample. WET ICE IS NOT ACCEPTABLE. Sample MUST be placed on DRY ICE ASAP. Walk up to Main Lab on DRY ICE.
Processing Instructions
Reject due to:
Spin: N
Aliquot: N
Temp: -70 C
Storage location: KEEP SAMPLES ON DRY ICE WHILE PROCESSING. 1) Place a large Epic label on a 15 mL Falcon tube. 2) While keeping sample on dry ice, walk sample and labelled Falcon tube to the -70 C freezer. 3) Just outside the freezer quickly place cryovial sample in labelled Falcon tube, screw on top, then place Falcon tube in Send Outs -70 rack. Ask Send Outs if you have any questions.
Stability
| Specimen Type | Temperature | Time |
|---|---|---|
| Duodenal Biopsy | Room Temp | Unacceptable |
| Refrigerated | Unacceptable | |
| Frozen | 6 m |
Availability
| STAT | Performed | TAT |
|---|---|---|
| N | M, W, F | 3 - 8 d |
Performing Laboratory
ARUP Laboratories
500 Chipeta Way
Salt Lake City, UT 84108-1221
Phone Number: (800) 522-2787
Department
Department: Send Outs
Phone Number: (206) 987-2563
CPT Codes
82657
Methodology
Method: Quantitative Spectrophotometry
Analytical Volume: 5.0 mg Biopsies (x2)
Limitations:
Reference Range
| Enzyme | Reference Interval (µmol/min/g) |
|---|---|
| Lactase | ≥ 10.0 µmol/min/g |
| Maltase | ≥ 100.0 µmol/min/g |
| Palatinase | ≥ 9.0 µmol/min/g |
| Sucrase | ≥ 25.0 µmol/min/g |
Send Out Instructions
| Reference Test Name: | Disaccharidase in Tissue |
| Reference Test Number: | 3002037 |
| Instructions: | Send to ARUP Laboratories via FedEx Priority Overnight with Priority Alert Plus. |