Sunday, February, 12, 2012

Amylase test

Table of Contents

Normal Values

The normal range is 23 to 85 units per liter (U/L). Some laboratories give a range of 40 to 140 U/L.

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


What abnormal results mean

Increased amylase levels may indicate:

  • Acute pancreatitis
  • Cancer of the pancreas, ovaries, or lungs
  • Cholecystitis
  • Gallbladder attack resulting from disease
  • Infection of the salivary glands (such as mumps) or an obstruction
  • Intestinal obstruction
  • Macroamylasemia
  • Pancreatic or bile duct obstruction
  • Perforated ulcer
  • Tubal pregnancy (may be ruptured)
  • Viral gastroenteritis

Decreased amylase levels may indicate:

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


Review Date: 01/28/2009
Reviewed By: David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine; and George F Longstreth, MD, Department of Gastroenterology, Kaiser Permanente Medical Care Program San Diego, California. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org)