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Test Code UAMY24 Amylase, Urine, 24 hour, LAB359

Performing Laboratory

St. Luke's Hospital Cedar Rapids

Specimen Requirements

Container/Tube:

Preferred: Urine from a 24-hour timed collection

Specimen Volume: 0.1 mL from a 24-hour timed urine collection.

Stability: No preservative. Refrigerate specimen during collection, and send specimen refrigerated.

                Urine amylase is less stable and should be adjusted to an alkaline pH before 

                storage at 2-8°C for up to 2 days or at -70°C for up to 2 weeks.

Collection Instructions: Obtain collection jug from laboratory.

Note: Starting and ending times of collection are required.

Reference Values

59-401 U/24 hours

Useful For

The activity of α-amylase in serum, plasma, urine, or other body fluids is an important factor is the diagnosis of pancreatic disorders.  Amylase measurements are used primarily in the diagnosis and

treatment of pancreatitis (inflammation of the pancreas). 

Day(s) Test Set Up

Monday through Sunday

Methodology

Rate Reaction

Test Classification and CPT Coding

81050-Timed urine measurement

82150-Amylase