Pancreatic Elastase, Fecal

CPT: 82656
Updated on 12/1/2017
Print Share

Test Details

Synonyms

  • 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.

Methodology

Enzyme-linked immunosorbent assay (ELISA) based upon a monoclonal antibody-based detection system specific for pancreatic elastase-1 (PEL-1)

Reference Interval

• Normal: >200 μg elastase/g fecal material

• Moderate pancreatic insufficiency: 100−200 μg elastase/g fecal material

• Severe pancreatic insufficiency: <100 μg elastase/g fecal material

Additional Information

The polyclonal antibodies used in this assay are specifically directed against defined sequences of the human pancreatic elastase molecule. The enzyme stability is remarkably high despite its proteolytic activity, as elastase is found in feces in about a sixfold concentration as in pancreatic fluid. The determination of enzyme concentration in feces reflects the exocrine secretory capacity of the pancreas.

Specimen Requirements

Specimen

Stool (unpreserved, random)

Volume

3 g

Minimum Volume

1 g

Container

Screw-capped plastic vial

Collection

Do not contaminate outside of container. Do not overfill container. Do not submit watery or unformed (loose) stool. Do not use a preservative.

Storage Instructions

Refrigerate; stable for 14 days. Specimens should be transported refrigerated (ice packs) or frozen if transport temperature is expected to exceed 40°C (104°F). Stable at room temperature for three days or frozen up to one year (-20°C). Freeze/thaw cycles: x3

Causes for Rejection

Serum or plasma received; stool contaminated with urine; watery or unformed (loose) stool submitted; preserved stool received
Serum or plasma received; stool contaminated with urine; sample outside of the container; watery or unformed (loose) stool submitted; preserved stool received
Serum or plasma received; stool contaminated with urine; watery or unformed (loose) stool submitted; preserved stool receiv; watery or unformed (loose) stool submitted; preserved stool received

LOINC® Map

Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC
123234 Pancreatic Elastase, Fecal 25907-7 123236 Pancreatic Elastase, Fecal ug Elast./g 25907-7

For Providers

Please login to order a test.

 

© 2017  Laboratory Corporation of America® Holdings and Lexi-Comp Inc. All Rights Reserved.

CPT Statement/Profile Statement

The LOINC® codes are copyright © 1994-2017, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee. Permission is granted in perpetuity, without payment of license fees or royalties, to use, copy, or distribute the LOINC® codes for any commercial or non-commercial purpose, subject to the terms under the license agreement found at https://loinc.org/license/. Additional information regarding LOINC® codes can be found at LOINC.org, including the LOINC Manual, which can be downloaded at LOINC.org/downloads/files/LOINCManual.pdf