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.
Enzyme
Enzymes are complex proteins that cause a specific chemical change. For example, they can help break down the foods we eat so the body can use them....
Amylase may also be measured with a blood test.
Measured with a blood test
Amylase is an enzyme that helps digest carbohydrates. It is made primarily in the pancreas and the glands that make saliva, and can be found at low ...
How the Test is Performed
A urine sample is needed. The test may be performed using:
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Clean-catch urine test
Clean-catch urine test
A clean catch is a method of collecting a urine sample to be tested. The clean-catch urine method is used to prevent germs from the penis or vagina ...
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24-hour urine collection
24-hour urine collection
The urine 24-hour volume test measures the amount of urine produced in a day. The amounts of creatinine, protein, and other chemicals released into ...
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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 sometimes done to help 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:
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Acute pancreatitis
Acute pancreatitis
Acute pancreatitis is sudden swelling and inflammation of the pancreas.
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Alcohol consumption
Alcohol consumption
Alcohol use involves drinking beer, wine, or hard liquor.
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Cancer of the pancreas, ovaries, or lungs
Cancer of the pancreas
Pancreatic cancer is cancer that starts in the pancreas.
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Cholecystitis
Cholecystitis
Acute cholecystitis is sudden swelling and irritation of the gallbladder. It causes severe belly pain.
ImageRead Article Now Book Mark Article - Ectopic or ruptured tubal pregnancy
Tubal pregnancy
An ectopic pregnancy is a pregnancy that occurs outside the womb (uterus).
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- Infection of the salivary glands (called sialoadenitis, may be caused by bacteria, mumps or a blockage)
Mumps
Mumps is a contagious disease that leads to painful swelling of the salivary glands. The salivary glands produce saliva, a liquid that moistens food...
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Intestinal obstruction
Intestinal obstruction
Intestinal obstruction is a partial or complete blockage of the bowel. The contents of the intestine cannot pass through it.
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Pancreatic duct obstruction
Pancreatic duct obstruction
Bile duct obstruction is a blockage in the tubes that carry bile from the liver to the gallbladder and small intestine.
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Perforated ulcer
Perforated ulcer
A peptic ulcer is an open sore or raw area in the lining of the stomach or intestine. There are two types of peptic ulcers:Gastric ulcer -- occurs in...
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Decreased amylase levels may be due to:
- Damage to the pancreas
- Kidney disease
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Macroamylasemia
Macroamylasemia
Macroamylasemia is the presence of an abnormal substance called macroamylase in the blood.
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References
Siddiqi HA, Rabinowitz S, Axiotis CA. Laboratory diagnosis of gastrointestinal and pancreatic disorders. In: McPherson RA, Pincus MR, eds. Henry's Clinical Diagnosis and Management by Laboratory Methods. 24th ed. Philadelphia, PA: Elsevier; 2022:chap 23.
Vege SS. Acute pancreatitis. In: Feldman M, Friedman LS, Brandt LJ, eds. Sleisenger and Fordtran's Gastrointestinal and Liver Disease. 11th ed. Philadelphia, PA: Elsevier; 2021:chap 58.
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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
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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
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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
Review Date: 8/20/2023
Reviewed By: Jacob Berman, MD, MPH, Clinical Assistant Professor of Medicine, Division of General Internal Medicine, University of Washington School of Medicine, Seattle, WA. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.
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