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Cancer Antigen 19-9

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Also known as: Carbohydrate Antigen 19-9; Cancer Antigen-GI; CA-GI; CA 19-9
Formal name: Cancer Antigen 19-9

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NOTE: This article is based on research that utilizes the sources cited here as well as the collective experience of the Lab Tests Online Editorial Review Board. This article is periodically reviewed by the Editorial Board and may be updated as a result of the review. Any new sources cited will be added to the list and distinguished from the original sources used. To access online sources, copy and paste the URL into your browser.

Sources Used in Current Review

Thaker NG. CA 19-9. (5 September 2014 updated.) Available online at http://emedicine.medscape.com/article/2087513-overview. Accessed July 1, 2016.

American Cancer Society (5 April 2016 revised). Tests for Pancreatic Cancer. Available online at http://www.cancer.org/cancer/pancreaticcancer/detailedguide/pancreatic-cancer-diagnosis. Accessed July 1, 2016.

American Cancer Society (20 January 2016 revised). How is Bile Duct Cancer Diagnosed? Available online at http://www.cancer.org/cancer/bileductcancer/detailedguide/bile-duct-cancer-diagnosis. Accessed July 7, 2016.

National Cancer Institute (4 November 2015 reviewed). Tumor Markers. Available online at http://www.cancer.gov/about-cancer/diagnosis-staging/diagnosis/tumor-markers-fact-sheet. Accessed June 28, 2016.

Penn Medicine Oncolink® (28 April 2016 updated). Patient Guide to Tumor Markers. Available online at http://www.oncolink.org/treatment/article.cfm?id=296. Accessed June 28, 2016.

De Paula JMP, Toranzo EM, Borge LG, Hidalgo SF. Small-cell Lung Cancer and Elevated CA 19.9 Tumor Marker Levels. Archivos de Bronconeumología. 2012;48(10):382–387. PDF available online at http://www.archbronconeumol.org/en/small-cell-lung-cancer-elevated-ca/articulo/S1579212912001450/. Accessed July 1, 2016.

Canadian Cancer Society. Carbohydrate antigen 19-9 (CA19-9). Available online at http://www.cancer.ca/en/cancer-information/diagnosis-and-treatment/tests-and-procedures/carbohydrate-antigen-19-9-ca-19-9/?region=on. Accessed July 3, 2016.

Pagana, Kathleen D., Pagana, Timothy J., and Pagana, Theresa N. (© 2015). Mosby's Diagnostic and Laboratory Test Reference. 12th Edition: Mosby, Inc., Saint Louis, MO. Pp 197-198.

Chustecka, Zosia. (Jan. 21, 2014.) New Test for Pancreatic Cancer Based on MicroRNAs in Blood. Medscape. Available online at http://www.medscape.com/viewarticle/819481. Accessed July 2016.

Sources Used in Previous Reviews

Thomas, Clayton L., Editor (1997). Taber's Cyclopedic Medical Dictionary. F.A. Davis Company, Philadelphia, PA [18th Edition].

Pagana, Kathleen D. & Pagana, Timothy J. (2001). Mosby's Diagnostic and Laboratory Test Reference 5th Edition: Mosby, Inc., Saint Louis, MO.

ACS. All About Pancreatic Cancer, Pancreatic Cancer Detailed Guide. American Cancer Society.

ASCO (1996 May 17, adopted, revision every 3 years). CA 19-9 as a Marker for Colon Cancer. American Society for Clinical Oncologists, Clinical Practice Guidelines for the Use of Tumor Markers in Breast and Colorectal Cancer [On-line guidelines]. Available online at http://www.asco.org/prof/pp/html/guide/tumor/m_tumor6.htm.

NCI (2002, February 8, posted). What you Need to Know about Cancer of the Pancreas. National Cancer Institute, cancer.gov [On-line information]. Available online through http://www.cancer.gov.

Reid, C. (1996 October). Probing the Pancreas. U.S. Food and Drug Administration [On-line article]. Available online at http://vm.cfsan.fda.gov/~dms/fdpancre.html.

Mayer, R. (1999 - 2002 copyright). Pancreatic Cancer. The National Pancreas Foundation [On-line article]. Available online at http://www.pancreasfoundation.org/pancreaticcancerarticle.html.

Check, W. (1998 July) Reaching agreement on tumor markers. CAP Today, In the News [On-line journal]. Available online at http://www.cap.org/captoday/archive/1998/julycover.html.

NCI (1998 April 27). Tumor markers. National Cancer Institute, Cancer Facts [On-line information]. Available online at http://cis.nci.nih.gov/fact/5_18.htm.

ACS (2000 July 19). Tumor Markers. American Cancer Society, Prevention and Early Detection [On-line information]. Available online through http://www.cancer.org.

Pagana, K. D. & Pagana, T. J. (© 2007). Mosby's Diagnostic and Laboratory Test Reference 8th Edition: Mosby, Inc., Saint Louis, MO. Pp 216-217.

Clarke, W. and Dufour, D. R., Editors (© 2006). Contemporary Practice in Clinical Chemistry: AACC Press, Washington, DC. Pg 246.

(Revised 2008 December 08). Tumor Markers. American Cancer Society [On-line information]. Available online at http://www.cancer.org/docroot/PED/content/PED_2_3X_Tumor_Markers.asp?sitearea=PED. Accessed August 2009.

(Updated 2009 May) Tumor Markers. ARUP Consult [On-line information]. Available online at http://www.arupconsult.com/resources/print/TumorMarkers.pdf. Accessed August 2009.

Tietz Textbook of Clinical Chemistry and Molecular Diagnostics. Burtis CA, Ashwood ER and Bruns DE, eds. 4th ed. St. Louis, Missouri: Elsevier Saunders; 2006 Pg 773.

(Revised 2012 October 18). American Cancer Society. Tumor Markers [On-line information]. PDF available for download at http://www.cancer.org/acs/groups/cid/documents/webcontent/003189-pdf.pdf. Accessed October 2012.

Thaker, N. et. al. (Updated 2012 May 23). CA 19-9. Medscape Reference [On-line information]. Available online at http://emedicine.medscape.com/article/2087513-overview#showall. Accessed October 2012.

(© 1995-2012). Carbohydrate Antigen 19-9 (CA 19-9), Serum. Mayo Clinic Mayo Medical Laboratories [On-line information]. Available online at http://www.mayomedicallaboratories.com/test-catalog/Overview/9288. Accessed October 2012.

(© 2012). Diagnosis CA 19-9. Pancreatic Cancer Action Network [On-line information]. Available online at http://www.pancan.org/section_facing_pancreatic_cancer/learn_about_pan_cancer/diagnosis/CA19_9.php. Accessed October 2012.

Pagana, K. D. & Pagana, T. J. (© 2011). Mosby's Diagnostic and Laboratory Test Reference 10th Edition: Mosby, Inc., Saint Louis, MO. Pp 208-209.

Clarke, W., Editor (© 2011). Contemporary Practice in Clinical Chemistry 2nd Edition: AACC Press, Washington, DC. Pg 500.