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An amylase test measures the amount of this enzyme in a sample of blood taken from a vein or in a sample of urine.
Normally, only low levels of amylase are found in the blood or urine. But if the pancreas or salivary glands become damaged or blocked, more amylase is usually released into the blood and urine. In the blood, amylase levels rise for only a short time. In the urine, amylase may remain high for several days.
A test for amylase is done to:
To prepare for an amylase test:
A health professional uses a needle to take a blood sample, usually from the arm.
Amylase can be measured in a 24-hour or 2-hour urine sample.
A 24-hour urine sample is all of the urine you produce over a 24-hour period.
A 2-hour urine sample is all of the urine you produce over a 2-hour period. Collect it in the same manner as the 24-hour urine sample, during the 2-hour period your health professional recommends.
When a blood sample is taken, you may feel nothing at all from the needle. Or you might feel a quick sting or pinch.
This test usually doesn't cause any pain or discomfort.
There is very little chance of having a problem from this test. When a blood sample is taken, a small bruise may form at the site.
There are no known risks from having this test.
Results are normally available within 72 hours.
Each lab has a different range for what's normal. Your lab report should show the range that your lab uses for each test. The normal range is just a guide. Your doctor will also look at your results based on your age, health, and other factors. A value that isn't in the normal range may still be normal for you.
Values may be high because of:
Current as of:
June 27, 2022
Author: Healthwise StaffMedical Review: E. Gregory Thompson MD - Internal MedicineAdam Husney MD - Family MedicineMartin J. Gabica MD - Family MedicineKathleen Romito MD - Family Medicine
Current as of: June 27, 2022
E. Gregory Thompson MD - Internal Medicine & Adam Husney MD - Family Medicine & Martin J. Gabica MD - Family Medicine & Kathleen Romito MD - Family Medicine
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