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Test ID FELAS Elastase, Pancreatic, Serum

Method Name

Direct Radioimmunoassay (RIA)

Reporting Name

Elastase (Pancreatic Elastase 1), S

Specimen Type


Specimen Required

Draw blood in a plain, red-top or a serum gel tube(s). Separate immediately and send 3 mL of serum frozen in a plastic vial.

Note:     1. Indicate serum on request form.

             2. Label specimen appropriately (serum).


Patient preparation: 

1. The patient should fast for 10 to 12 hours prior to collection.

2. Medications that affect pancreatic activity should be discontinued, if possible, for at least 48 hours prior to collection of specimen.

Specimen Minimum Volume

1 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Serum Frozen 180 days

Reference Values

Adult Reference Ranges:

Normal pancreatic exocrine function:

  Less than 3.5 ng/mL


No pediatric reference ranges available for this test.

Day(s) Performed

Monday through Friday

Performing Laboratory

Inter Science Institute

CPT Code Information


LOINC Code Information

Test ID Test Order Name Order LOINC Value
FELAS Elastase (Pancreatic Elastase 1), S 14048-3


Result ID Test Result Name Result LOINC Value
Z0925 Elastase 14048-3

Report Available

10 to 16 days

NY State Approved



If not ordering electronically, complete, print, and send Gastroenterology and Hepatology Client Test Request (T728) with the specimen.