Pancreatic Elastase, Fecal
Also known as: Elastase, Pancreatic
Use
Can be used for the diagnosis or the exclusion of exocrine pancreatic insufficiency, which may be associated with chronic pancreatitis, cystic fibrosis, carcinoma of the pancreas, diabetes mellitus type 1 (insulin-dependent diabetes mellitus), Shwachman-Diamond syndrome, and other etiologies of pancreatic insufficiency.
Special Instructions
The polyclonal antibodies used in this assay are specifically directed against defined sequences of the human pancreatic elastase molecule. The determination of enzyme concentration in feces reflects the exocrine secretory capacity of the pancreas.
Limitations
Not provided.
Methodology
Immunoassay (CLIA)
Biomarkers
LOINC Codes
- 25907-7
- 25907-7
Result Turnaround Time
4-6 days
Related Documents
For more information, please review the documents below
Specimen
Stool
Volume
3 g
Minimum Volume
1 g (Note: This volume does not allow for repeat testing.)
Container
Screw-capped plastic vial
Collection Instructions
Do not contaminate outside of container. Do not overfill container. Do not use a preservative.
Patient Preparation
This assay does not measure the substituted enzyme (Pancreatin) and, therefore, it is not necessary to stop medication before taking a sample.
Storage Instructions
Transport specimen frozen.
Causes for Rejection
Serum or plasma received; stool contaminated with urine; preserved stool received
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 8 hours |
| Refrigerated | 7 days |
| Frozen | 12 months |