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Test Code Billings Clinic: 4945 Mayo: ELASF Pancreatic Elastase, Feces

Reporting Name

Pancreatic Elastase, F

Performing Laboratory

Mayo Clinic Laboratories in Rochester

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

Method Name

Enzyme-Linked Immunosorbent Assay (ELISA)


Shipping Instructions


Preferred shipping temperature is frozen. Refrigerated or ambient specimens received more than 72 hours post collection will be rejected.



Specimen Required


Supplies: Stool container, Small (Random), 4 oz (T288)

Container/Tube: Stool container

Specimen Volume: 5 g

Collection 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 Information:

1. Separate specimens must be submitted when multiple tests are ordered, with the exception of CALPR / Calprotectin, Feces. If only a single specimen is collected, it must be split prior to transport.

2. Testing cannot be added on to a previously collected specimen.


Specimen Type

Fecal

Specimen Minimum Volume

1 g

Specimen Stability Information

Specimen Type Temperature Time Special Container
Fecal Frozen (preferred) 28 days
  Ambient  72 hours
  Refrigerated  72 hours

Reject Due To

Specimens collected from diapers Reject

Reference Values

<100 mcg/g (Severe Pancreatic Insufficiency)

100-200 mcg/g (Moderate Pancreatic Insufficiency)

>200 mcg/g (Normal)

 

Reference values apply to all ages.

Interpretation

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.

Day(s) Performed

Monday through Friday

Report Available

3 to 5 days

Test Classification

This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.

CPT Code Information

82653

LOINC Code Information

Test ID Test Order Name Order LOINC Value
ELASF Pancreatic Elastase, F 25907-7

 

Result ID Test Result Name Result LOINC Value
ELASF Pancreatic Elastase, F 25907-7

Forms

If not ordering electronically, complete, print, and send 1 of the following forms with the specimen:

-General Request (T239)

-Gastroenterology and Hepatology Test Request (T728)