Cholinesterase - blood

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Cholinestrase test

Acetylcholinesterase; RBC (or erythrocyte) cholinesterase; Pseudocholinesterase; Plasma cholinesterase; Butyrylcholinesterase; Serum cholinesterase

Typically, normal pseudocholinesterase values range between 8 and 18 units per milliliter (U/mL).

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

Decreased pseudocholinesterase levels may be due to:

• Acute infection
• Chronic malnutrition
• Heart attack
• Liver damage
• Metastasis
• Obstructive jaundice
• Poisoning from organophosphates (chemicals found in some pesticides)

Smaller decreases may be due to:

• Pregnancy
• Use of birth control pills

Review Date: 04/30/2011
Reviewed By: Kevin Sheth, MD, Department of Neurology, University of Maryland School of Medicine, Baltimore, MD. Review provided by VeriMed Healthcare Network. Also reviewed by David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine;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).

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