Pancreatic Elastase, Fecal

Test ID: 

703069

CPT code:

82656

Clinical 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.

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 Type:

Stool (unpreserved, random)

Requested Volume: 

3 g

Minimum Volume: 

1 g

Container Type: 

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

Rejection Criteria:

Serum or plasma received; stool contaminated with urine; watery or unformed (loose) stool submitted; preserved stool received.

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