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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:

  • Clean-catch urine test
  • 24-hour urine collection

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:

  • Acute pancreatitis
  • Alcohol consumption
  • Cancer of the pancreas, ovaries, or lungs
  • Cholecystitis
  • Ectopic or ruptured tubal pregnancy
  • Gallbladder disease
  • Infection of the salivary glands (called sialoadenitis, may be caused by mumps or a blockage)
  • Intestinal obstruction
  • Pancreatic duct obstruction
  • Pelvic inflammatory disease
  • Perforated ulcer

Decreased amylase levels may be due to:

  • Damage to the pancreas
  • Kidney disease
  • Pancreatic cancer
  • Toxemia of pregnancy

 

 

References

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

 
  • Female urinary tract

    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

    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

    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

      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

      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

      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

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          Tests for Amylase - urine

           

           

          Review Date: 5/3/2015

          Reviewed By: Laura J. Martin, MD, MPH, ABIM Board Certified in Internal Medicine and Hospice and Palliative Medicine, Atlanta, GA. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.

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