Trypsin-Like Immunoreactivity
0070003
Ordering Recommendation
 
Mnemonic
TRYPSIN
Methodology
Quantitative Radioimmunoassay
Performed
Tue, Fri
Reported
1-5 days  
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
Specimen Required
Patient Preparation
  
Collect
Serum separator tube or plain red. Also acceptable: lavender (EDTA) or pink (K2EDTA).  
Specimen Preparation
Allow serum tube to sit for 15-20 minutes at room temperature for proper clot formation. Centrifuge and separate serum or plasma from cells ASAP or within 2 hours of collection. Transfer 1 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.3 mL)  
Storage/Transport Temperature
Frozen.  
Unacceptable Conditions
Heparinized specimens. Hemolyzed or lipemic specimens.  
Remarks
  
Stability
After separation from cells: Ambient: 2 hours; Refrigerated: 24 hours; Frozen: 3 months  
Reference Interval
Effective August 15, 2011
 
Expected Cathodic Trypsinogen Concentration Values for the Varied Disease States
Healthy Individuals 10.0-​57.0 ng/mL
Chronic Pancreatitis 46.0 ng/mL or less
Acute Pancreatitis 92.0-​850.0 ng/mL
Total Pancreatectomy 1.4 ng/mL or less
Interpretive Data
Results should be correlated with clinical presentation and other diagnostic data for the diagnosis of pancreatitis. For additional information, refer to the Malabsorption, Chronic Pancreatitis, or Acute Pancreatitis topic at arupconsult.com  
Note
 
CPT Code(s)
83519
Components
Component Test Code*Component Chart Name
0070003Trypsin-Like Immunoreactivity
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • Cathodic trypsinogen
  • FTRYP
  • Trypsin
  • Trypsin-Like Immunoreactivity
  • Trypsinogen
  • Trypsinogen (Trypsin)TLI