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Laboratory Medicine

Laboratory Test Catalogue

Amylase Isoenzyme

Test Name

Amylase Isoenzyme

Gold Tube Specimen Type / Requirements

Container Type = 1 Gold Top (SST)

Minimum Volume = 1 ml serum

Tube must fill to at least ½ or greater of its vacuum capacity

Specimen Handling

Collection Instructions: Serum or heparinized plasma collected with or without gel separator. Write your initials, date and time of collection on the collection label or requisition.

Laboratory Staff Instructions: Separate serum or plasma from cells within 2 hours of collection and freeze as soon as possible.

Rejection Criteria: Gross hemolysis, unlabeled or samples of non sufficient quantity.

Stability: Stable at room temperature for 1 week, refrigerated at 2–8°C for 1 month and frozen at -15°C to -20°C or lower for 6 months.

Transportation: Send sample to core lab as soon as possible.

Required Documentation

Turnaround Time (TAT)

15 days (Batched)

Test Utilization

Reference Value

Total Amylase 20-110 U/L

Salivary Amylase: 20 – 75 U/L Ratio (0.43 – 0.67)

Pancreatic Amylase: 5 – 55 U/L Ratio (0.38 – 0.56

Test Code



Spectrophotometric (Enzymatic/Colorimetric)

Testing Location


Other Information

Last Updated: February 11, 2020