Laboratory Services

Pancreatic Elastase, Feces

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Updated Test Information:

Test Description
Pancreatic Elastase, Feces
Test ID
ELASF
General Information

Useful For: Diagnosis of exocrine pancreatic insufficiency in case of unexplained diarrhea, constipation, steatorrhea, flatulence, weight loss, upper abdominal pain, and food intolerances


Monitoring of exocrine pancreatic function in cystic fibrosis, diabetes mellitus, or chronic pancreatitis

Container Type

Stool container (T288)

Specimen Type

Fecal

Specimen Requirements

5g

Specimen Collection / Processing Instructions

1. Collect a fresh random fecal specimen, no preservatives.
2. If specimen is sent refrigerate, send immediately after collection.
3. If specimen cannot be sent immediately, freeze specimen and send frozen.

Additional Processing Details

Separate specimens must be submitted when multiple tests are ordered.  Testing cannot be added on to previously collected specimens.

Stability

Frozen (preferred): 28 days
Ambient/refrigerated: 72 hours

Unacceptable Specimen Conditions

specimens collected from diapers

Limitations

Normal concentrations do not exclude the possibility of exocrine pancreatic insufficiency.
Consistency of raw fecal sample may affect analytical performance.

Methodology

Enzyme-Linked lmmunosorbent Assay (ELISA)

Estimated TAT

4-6 days

Testing Schedule

Monday - Friday

Retention

7 days

CPT Code(s)

82653

Reference Range

Pancreatic elastase concentrations above 200 mcg/g are normal and are not indicative of exocrine pancreatic insufficiency.
Pancreatic elastase concentrations from 100 to 200 mcg/g are suggestive for moderate exocrine pancreatic insufficiency.
Pancreatic elastase concentrations below 100 mcg/g are consistent with exocrine pancreatic insufficiency.

Performing Lab

Mayo

LOINC Code(s)

25907-7