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Chromogranin A

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Also known as: CgA
Formal name: Chromogranin A

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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

Elhomsy, G. (2014 November 21, Updated). Chromogranin A. Medscape Drugs & Diseases [On-line information]. Available online at http://emedicine.medscape.com/article/2114314-overview. Accessed 11/15/15.

(© 1995–2015). Chromogranin A, Serum. Mayo Clinic Mayo Medical Laboratories [On-line information]. Available online at http://www.mayomedicallaboratories.com/test-catalog/Overview/34641. Accessed 11/15/15.

Frank, E. et. al. (2015 February, Updated). Carcinoid Tumors. ARUP Consult [On-line information]. Available online at http://www.arupconsult.com/Topics/CarcinoidTumors.html?client_ID=LTD. Accessed 11/15/15.

(2015 April 17, Revised). How are gastrointestinal carcinoid tumors diagnosed? American Cancer Society [On-line information]. Available online at http://www.cancer.org/cancer/gastrointestinalcarcinoidtumor/detailedguide/gastrointestinal-carcinoid-tumors-diagnosed. Accessed 11/15/15.

(2014 February). Monitoring Carcinoid Tumors and Pancreatic Neuroendocrine Tumors. Carcinoid for Health Care Professionals [On-line information]. Available online at http://www.carcinoid.com/health-care-professional/monitoring-carcinoid-tumors.jsp. Accessed 11/15/15.

Pagana, K. D., Pagana, T. J., and Pagana, T. N. (© 2015). Mosby's Diagnostic & Laboratory Test Reference 12th Edition: Mosby, Inc., Saint Louis, MO. Pp 823-824.

Sources Used in Previous Reviews

Wu, A. (2006). Tietz Clinical Guide to Laboratory Tests, Fourth Edition. Saunders Elsevier, St. Louis, Missouri. Pp 262-263.

(2006 January 4, Revised). Tumor Markers. American Cancer Society [On-line information].

(2007 May 11, Reviewed). Detailed Guide: Gastrointestinal Carcinoid Tumors. American Cancer Society [On-line information]. Available online at http://www.cancer.org/docroot/CRI/CRI_2_3x.asp?dt=14. Accessed on 11/1/07.

Nanda, R. (2006 September 11). Carcinoid syndrome. MedlinePlus Medical Encyclopedia [On-line information]. Available online at http://www.nlm.nih.gov/medlineplus/ency/article/000347.htm. Accessed on 11/1/07.

(© 2007). Pheochromocytoma. ARUP Consult [On-line information]. Available online through http://www.arupconsult.com. Accessed on 11/1/07.

(© 2007). Chromogranin A. ARUP's Laboratory Test Directory [On-line information]. Available online at http://www.aruplab.com/guides/ug/tests/0080469.jsp. Accessed on 11/1/07.

(© 2007). Multiple Endocrine Neoplasias MEN. ARUP Consult [On-line information]. Available online at http://www.arupconsult.com/Topics/EndocrineDz/MEN.html. Accessed on 11/1/07.

(© 2007). Chromogranin A. Labcorp Test Menu [On-line information]. Available online at http://www.labcorp.com/datasets/labcorp/html/chapter/. Accessed on 11/1/07.

Nanda, R. (September 11, 2006) Medline Plus Encyclopedia. Pheochromocytoma (Online information). Available online at http://www.nlm.nih.gov/medlineplus/ency/article/000340.htm. Accessed November 2007.

(© 1995-2010). Unit Code 83559: Chromogranin A, Serum. Mayo Clinic, Mayo Medical Laboratories [On-line information]. Available online at http://www.mayomedicallaboratories.com/test-catalog/Overview/83559. Accessed December 2010.

Grenache, D. (Updated 2010 August). Pancreatic Neuroendocrine Tumors – NET. ARUP Consult [On-line information]. PDF available for download at http://www.arupconsult.com/assets/print/NET.pdf. Accessed December 2010.

Frank, E. (Updated 2010 January). Carcinoid Tumors. ARUP Consult [On-line information]. Available online at http://www.arupconsult.com/Topics/CarcinoidTumors.html?client_ID=LTD. Accessed December 2010.

(Revised 2010 July 13). Detailed Guide, Gastrointestinal Carcinoid Tumors. American Cancer Society [On-line information]. Available online at http://www.cancer.org/Cancer/GastrointestinalCarcinoidTumor/DetailedGuide/index. Accessed December 2010.

(Revised 2010 August 17). Detailed Guide, Lung Carcinoid Tumors. American Cancer Society [On-line information]. Available online at http://www.cancer.org/Cancer/LungCarcinoidTumor/DetailedGuide/lung-carcinoid-tumor-what-is-lung-carcinoid-tumor. Accessed December 2010.

Pagana, K. D. & Pagana, T. J. (© 2011). Mosby's Diagnostic and Laboratory Test Reference 10th Edition: Mosby, Inc., Saint Louis, MO. Pp 871-873.

Henry's Clinical Diagnosis and Management by Laboratory Methods. 21st ed. McPherson R, Pincus M, eds. Philadelphia, PA: Saunders Elsevier: 2007, Pg 343.

(Updated Sept 1, 2010) Santacroce L, Diomede L, Lodovico B. Malignant Carcinoid Syndrome. eMedicine article. Available online at http://emedicine.medscape.com/article/282515-overview. Accessed February 2011.

(Updated May 25, 2012) Elhomsy G, Staros EB. Chromogranin A. eMedicine article. Available online at http://emedicine.medscape.com/article/2114314-overview#aw2aab6b4. Accessed November 2012.

CarcinoidLink. Biochemical Monitoring for Patients: Chromogranin A (CgA) Testing. Available online through http://www.carcinoid.com. Accessed November 2012.