ARUP's Laboratory Test Directory

Trypsin, Fecal : 0020383

Mnemonic: TRYP F

Methodology: Semi-quantitative Film Digestion
Performed: Sun-Sat
Reported: Within 24 hours
Specimen Required: Collect: Stool.

Specimen Preparation: Transfer 5 g stool to an unpreserved stool transport vial (ARUP Supply #40910). Available online through eSupply using ARUP Connect™ or contact ARUP Client Services at (800) 522-2787.

Storage/Transport Temperature: CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.

Remarks:

Unacceptable Conditions: Specimens in preservatives.

Stability (collection to initiation of testing): Ambient: Unacceptable; Refrigerated: Unacceptable; Frozen: 1 week
Reference Interval:
Greater than or equal to 1:96
Interpretive Data: A fecal trypsin titer greater than or equal to 1:96 is considered normal.  Fecal trypsin is measured by serially diluting stool in buffer and identifying the greatest titer at which x-ray film is cleared of its gelatin emulsion.  Pancreatic Elastase, Fecal, 0080526, a quantitative measurement of pancreatic elastase in stool, is the preferred test for determining exocrine pancreatic function.
CPT Code(s): 84488
Cross References: Fecal Trypsin (Trypsin, Fecal)
 
 

 

 

 
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