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Test ID FFTLI Trypsin-Like Immunoreactivity

Method Name

Quantitative Radioimmunoassay

Reporting Name

Trypsin-Like Immunoreactivity

Specimen Type

Varies

Submit one of the following:

 

Serum

Draw blood in a plain, red-top tube(s). (Serum gel tube is acceptable.) Spin down within 2 hours of collection, pour off and send 1 mL of serum frozen in a plastic vial.

 

Plasma

Draw blood in a lavender top (EDTA) or pink top (K2EDTA) tube. Spin down within 2 hours of collection, pour off and send 1 mL EDTA plasma frozen in a plastic vial.

 

Specimen Minimum Volume

0.3 mL

Specimen Stability Information

Specimen Type Temperature Time
Varies Frozen (preferred) 90 days
  Refrigerated  24 hours
  Ambient  2 hours

Reference Values

Reference Range:

     10.0 - 57.0 ng/mL

 

Expected Cathodic Trypsinogen Concentration Values for the

Varied Disease States:

     10.0 - 57.0 ng/mL . . . . . . . . .  Healthy Individuals

     46.0 ng/mL or less . . . . . . . .  Chronic Pancreatitis

     92.0 - 850.0 ng/mL . . . . . . . .  Acute Pancreatitis

     1.4 ng/mL or less . . . . . . . . .  Total Pancreatectomy

 

Results should be correlated with clinical presentation and other diagnostic data for the diagnosis of pancreatitis.

Day(s) Performed

Tuesday, Friday

Report Available

1 - 5 days

Performing Laboratory

ARUP Laboratories

CPT Code Information

83519

NY State Approved

Yes