University of Maryland Pathology Associates, P.A. Biochemical Genetics Laboratory
Collect
Obtain a specimen of the intestinal mucosa (2.0-9.0 mg in size) either by means of an upper gastrointestinal endoscopy with biopsy or by means of an intestinal biopsy capsule. This sample should be obtained distal to the second part of the duodenum to ensure reliable results. Immediately place the specimen in a sealed container (no more than 2-3cc in size) and place this container in dry ice. The sample should be transported to the lab with minimal delay. If sample cannot be delivered same day samples must be stored at -80°C .
Minimum Volume
2.0 mg
Unacceptable Conditions
Room temperature specimens. Unlabeled samples. Samples not having two unique identifiers.
Stability (from collection to initiation)
Frozen at -80°C for 2 months; avoid repeated freeze/thaw cycles
Performed
Mon-Fri
Performing Lab
University of Maryland Pathology Associates, P.A. Biochemical Genetics Laboratory
Reference Interval
Enzyme
3rd Percentile
10th Percentile
Lactase
5.4
6.6
Maltase
14.3
40.2
Sucrase
7.0
11.3
Palatinase
2.1
2.9
Glucoamylase
15.7
25
Interpretive Data
3-10 percentile range is considered borderline
< 3rd percentile value is pathologic
CPT Codes
82657
LIS Display Name
Disaccharidases
LIS Long Name
Disaccharidases Level
Ordering
Performed
Mon-Fri
Methodology
Spectrophotometric
Reported
<10 days
Synonyms
Disacchs
Epic Test Code
LAB12505
Performing Lab
University of Maryland Pathology Associates, P.A. Biochemical Genetics Laboratory
Collection
Collect
Obtain a specimen of the intestinal mucosa (2.0-9.0 mg in size) either by means of an upper gastrointestinal endoscopy with biopsy or by means of an intestinal biopsy capsule. This sample should be obtained distal to the second part of the duodenum to ensure reliable results. Immediately place the specimen in a sealed container (no more than 2-3cc in size) and place this container in dry ice. The sample should be transported to the lab with minimal delay. If sample cannot be delivered same day samples must be stored at -80°C .
Minimum Volume
2.0 mg
Unacceptable Conditions
Room temperature specimens. Unlabeled samples. Samples not having two unique identifiers.
Stability (from collection to initiation)
Frozen at -80°C for 2 months; avoid repeated freeze/thaw cycles
Performed
Mon-Fri
Performing Lab
University of Maryland Pathology Associates, P.A. Biochemical Genetics Laboratory
Result Interpretation
Reference Interval
Enzyme
3rd Percentile
10th Percentile
Lactase
5.4
6.6
Maltase
14.3
40.2
Sucrase
7.0
11.3
Palatinase
2.1
2.9
Glucoamylase
15.7
25
Interpretive Data
3-10 percentile range is considered borderline
< 3rd percentile value is pathologic
