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Amylase - urine

This is a test that measures the amount of amylase in urine. Amylase is an enzyme that helps digest carbohydrates. It is produced mainly in the pancreas and the glands that make saliva.

Amylase may also be measured with a blood test.

How the Test is Performed

A urine sample is needed. The test may be performed using:

How to Prepare for the Test

Many medicines can interfere with test results.

  • Your health care provider will tell you if you need to stop taking any medicines before you have this test.
  • DO NOT stop or change your medicines without talking to your provider first.

How the Test will Feel

The test involves only normal urination. There is no discomfort.

Why the Test is Performed

This test is done to diagnose pancreatitis and other diseases that affect the pancreas.

Normal Results

The normal range is 2.6 to 21.2 international units per hour (IU/h).

Normal value ranges may vary slightly among different laboratories. Talk to your provider about the meaning of your specific test results.

The example above shows the common measurement range for results for these tests. Some laboratories use different measurements or may test different specimens.

What Abnormal Results Mean

An increased amount of amylase in the urine is called amylasuria. Increased urine amylase levels may be a sign of:

Decreased amylase levels may be due to:

References

Forsmark CE. Pancreatitis. In: Goldman L, Schafer AI, eds. Goldman-Cecil Medicine. 25th ed. Philadelphia, PA: Elsevier Saunders; 2016:chap 144.

Siddiqi HA, Salwen MJ, Shaikh MH, Bowne WB. Laboratory diagnosis of gastrointestinal and pancreatic disorders. In: McPherson RA, Pincus MR, eds. Henry's Clinical Diagnosis and Management by Laboratory Methods. 23rd ed. St Louis, MO: Elsevier; 2017:chap 22.

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  • Female urinary tract - illustration

    The female and male urinary tracts are relatively the same except for the length of the urethra.

    Female urinary tract

    illustration

  • Male urinary tract - illustration

    The male and female urinary tracts are relatively the same except for the length of the urethra.

    Male urinary tract

    illustration

  • Amylase urine test - illustration

    Amylase is an enzyme which helps digest glycogen and starch. It is produced mainly in the pancreas and salivary glands. Amylase is normally secreted from the pancreas through the pancreatic duct to the small intestines.

    Amylase urine test

    illustration

  • Female urinary tract - illustration

    The female and male urinary tracts are relatively the same except for the length of the urethra.

    Female urinary tract

    illustration

  • Male urinary tract - illustration

    The male and female urinary tracts are relatively the same except for the length of the urethra.

    Male urinary tract

    illustration

  • Amylase urine test - illustration

    Amylase is an enzyme which helps digest glycogen and starch. It is produced mainly in the pancreas and salivary glands. Amylase is normally secreted from the pancreas through the pancreatic duct to the small intestines.

    Amylase urine test

    illustration

Tests for Amylase - urine

 
 

Review Date: 5/6/2019

Reviewed By: David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.

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