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Lipase test

Pancreatitis - blood lipase

 

Lipase is a protein (enzyme) released by the pancreas into the small intestine. It helps the body absorb fat. This test is used to measure the amount of the lipase in the blood.

How the Test is Performed

 

A sample of blood will be taken from a vein.

 

How to Prepare for the Test

 

DO NOT eat for 8 hours before the test.

Your health care provider may ask you to stop taking medicines that may affect the test, such as:

  • Bethanechol
  • Birth control pills
  • Cholinergic medicines
  • Codeine
  • Indomethacin
  • Meperidine
  • Methacholine
  • Morphine
  • Thiazide diuretics

 

How the Test will Feel

 

You may feel slight pain or a sting when the needle is inserted to draw blood. There may be some throbbing at the site after the blood is drawn. Veins and arteries vary in size, so it may be harder to take a blood sample from one person than another.

 

Why the Test is Performed

 

This test is done to check for disease of the pancreas, most often acute pancreatitis.

Lipase appears in the blood when the pancreas is damaged.

 

Normal Results

 

In general, normal results are 0 to 160 units per liter (U/L) or 0 to 2.67 microkat/L (µkat/L).

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

 

What Abnormal Results Mean

 

Higher-than-normal levels may be due to:

  • Blockage of the bowel (bowel obstruction)
  • Celiac disease
  • Duodenal ulcer
  • Cancer of the pancreas
  • Pancreatitis
  • Pancreatic pseudocyst

This test may also be done for familial lipoprotein lipase deficiency.

 

Risks

 

There is very little risk from your blood taken.

Other uncommon risks may include:

  • Bleeding from the needle puncture site
  • Fainting or feeling lightheaded
  • Blood collecting under the skin
  • Infection (a slight risk any time the skin is broken)

 

 

References

Crockett SD, Wani S, Gardner TB, Falck-Ytter Y, Barkun AN; American Gastroenterological Association Institute Clinical Guidelines Committee. American Gastroenterological Association Institute guideline on initial management of acute pancreatitis. Gastroenterology. 2018;154(4):1096-1101. PMID: 29409760 www.ncbi.nlm.nih.gov/pubmed/29409760.

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 MF, 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.

Tenner S, Steinberg WM. Acute pancreatitis. In: Feldman M, Friedman LS, Brandt LJ, eds. Sleisenger and Fordtran's Gastrointestinal and Liver Disease: Pathophysiology/Diagnosis/Management. 10th ed. Philadelphia, PA: Elsevier Saunders; 2016:chap 58.

Text only

 
  • Blood test

    Blood test - illustration

    Blood is drawn from a vein (venipuncture), usually from the inside of the elbow or the back of the hand. A needle is inserted into the vein, and the blood is collected in an air-tight vial or a syringe. Preparation may vary depending on the specific test.

    Blood test

    illustration

    • Blood test

      Blood test - illustration

      Blood is drawn from a vein (venipuncture), usually from the inside of the elbow or the back of the hand. A needle is inserted into the vein, and the blood is collected in an air-tight vial or a syringe. Preparation may vary depending on the specific test.

      Blood test

      illustration

    A Closer Look

     

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          Tests for Lipase test

           
           

          Review Date: 1/26/2019

          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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