Tuesday, June 18, 2013

Table of Contents

Alternative Names

Carcinoembryonic antigen


Normal Values

The normal range is 0 to 2.5 micrograms per liter (mcg/L). In smokers, the normal range is 0 to 5 mcg/L.

Normal value ranges may vary from lab to lab. In smokers, slightly higher values may be considered normal.


What abnormal results mean

Higher than normal levels may be due to:

  • Breast cancer
  • Cancers of the reproductive and urinary tracts
  • Cholecystitis
  • Cirrhosis and other liver disease
  • Colon cancer
  • Diverticulitis
  • Heavy smoking
  • Inflammatory bowel diseases (such as ulcerative colitis)
  • Lung cancer
  • Lung infection
  • Pancreatic cancer
  • Pancreatitis
  • Peptic ulcer
  • Thyroid cancer

Images


Review Date: 08/01/2009
Reviewed By: David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine. 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)