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Complement

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Also known as: C1; C1q; C2; C3; C4; CH50; CH100 (among others)
Formal name: Complement Activity; Complement Component; Total Complement; Total Hemolytic Complement Activity

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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.

Sources Used in Current Review

MedlinePlus Medical Encylopedia. Complement. Available online at http://www.nlm.nih.gov/medlineplus/ency/article/003456.htm. Accessed March 2014.

MedlinePlus Medical Encyclopedia. Complement component 3 (C3). Available online at http://www.nlm.nih.gov/medlineplus/ency/article/003539.htm. Accessed March 2014.

MedlinePlus Medical Encyclopedia. Complement component 4. Available online at http://www.nlm.nih.gov/medlineplus/ency/article/003354.htm. Accessed March 2014.

ARUP Consult. Complement Deficiency. Available online at http://www.arupconsult.com/Topics/ComplementDeficiency.html#tabs=0 through http://www.arupconsult.com. Accessed March 2014.

National Jewish Health Complement Laboratory. Complement: The Immune System's Most Aggressive Mechanism Against Infection. Available online at http://www.nationaljewish.org/professionals/clinical-services/diagnostics/adx/about-us/lab-expertise/complement/ through http://www.nationaljewish.org. Accessed March 2014.

University of Rochester Medical Center. Complement C3 (Blood). Available online at http://www.urmc.rochester.edu/encyclopedia/content.aspxContentTypeID=167&ContentID=complement_c3_blood through http://www.urmc.rochester.edu. Accessed March 2014.

Healthline. Complement Test. Written by Ann Peitrangelo. Published on June 4, 2012. Available online at http://www.healthline.com/health/complement#Overview through http://www.healthline.com. Accessed March 2014.

Glovsky MM, Ward PW, Johnson KJ. Complement determinations in human disease. Ann Allergy Asthma Immunol. 2004; 93:513-523.

Speth C, Prodinger WM, Wurzner R, et al. Complement. Chapter 33 in Fundamental Immunology. William E Paul. Philadelphia:Lippincott-Williams-Wilkins. 2008, Pg 1048.

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.

Biology of the Immune System. The Merck Manual of Medical Information--Home Edition, Section 16. Immune Disorders, Chapter 167 [On-line information]. Available online at http://www.merck.com/mrkshared/mmanual_home/sec16/167.jsp through http://www.merck.com.

The Complement System. The Merck Manual of Diagnosis and Therapy, Section 12, Immunology; Allergic Disorders, Chapter 146. Biology Of The Immune System [On-line information]. Available online at http://www.merck.com/pubs/mmanual/section12/chapter146/146d.htm through http://www.merck.com.

Kovacs, B. (2001 November 17). Complement. MEDLINEplus Health Information, Medical Encyclopedia [On-line information]. Available online at http://www.nlm.nih.gov/medlineplus/ency/article/003456.htm.

Kovacs, B. (2001 October 6, Updated). C4 level. MEDLINEplus Health Information, Medical Encyclopedia [On-line information]. Available online at http://www.nlm.nih.gov/medlineplus/ency/article/003354.htm.

Kovacs, B. (2001 November 17, Updated). Complement component 3 (C3). MEDLINEplus Health Information, Medical Encyclopedia [On-line information]. Available online at http://www.nlm.nih.gov/medlineplus/ency/article/003539.htm.

(1999 January 29, Updated). How Does the Immune System Work? [13 paragraphs]. National Institute of Allergy and Infectious Diseases, National Institutes of Health [On-line information]. Available online at http://www.niaid.nih.gov/publications/autoimmune/work.htm through http://www.niaid.nih.gov.

ARUP's Guide to Clinical Laboratory Testing (CLT) [On-line information].
Complement Activity Enzyme Immunoassay, Total.
Complement Component 2.
Complement Component 3.
Complement Component 4.
Complement Component 5.
Complement Factor B.

Pagana, Kathleen D. & Pagana, Timothy J. (© 2007). Mosby's Diagnostic and Laboratory Test Reference 8th Edition: Mosby, Inc., Saint Louis, MO. Pp 288-289.

Peng, S. (2005 April 20, Updated). Complement component 3 (C3). MedlinePlus Medical Encyclopedia [On-line information]. Available online at http://www.nlm.nih.gov/medlineplus/ency/article/003539.htm. Accessed on 4/10/07.

Peng, S. (2005 April 20, Updated). Complement. MedlinePlus Medical Encyclopedia [On-line information]. Available online at http://www.nlm.nih.gov/medlineplus/ency/article/003456.htm. Accessed on 4/10/07.

Liszewski, M. K, et. al. (2002 June 7). Innate Immunity: The Complement System. Medscape from ACP Medicine Online [On-line information]. Available online at http://www.medscape.com/viewarticle/534974 through http://www.medscape.com. Accessed on 4/10/07.

(© 2007). Complement Disorders - Complement Activity. ARUP Consult [On-line information]. Available online at http://www.arupconsult.com/Topics/Infectious_Disease/Chronic/Complement_Activity.html through http://www.arupconsult.com. Accessed on 4/10/07.

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

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

Harrison's Principles of Internal Medicine. 16th edition Kasper, Braunwald, Fauci, Hauser, Long, Jameson, eds. McGraw-Hill: 2005.

Borigini, M. and Zieve, D. (Updated 2009 February 3). Complement. MedlinePlus Medical Encyclopedia [On-line information]. Available online at http://www.nlm.nih.gov/medlineplus/ency/article/003456.htm. Accessed September 2010.

(© 1995-2010). Unit Code 8174: Complement C3, Serum. Mayo Clinic Mayo Medical Laboratories [On-line information]. Available online at http://www.mayomedicallaboratories.com/test-catalog/Overview/8174 through http://www.mayomedicallaboratories.com. Accessed September 2010.

Delgado, J. et. al. (Updated 2010 June). Complement Deficiency. ARUP Consult [On-line information]. Available online at http://www.arupconsult.com/Topics/ComplementDeficiency.html?client_ID=LTD through http://www.arupconsult.com. Accessed September 2010.

Chaganti, R. K. and Schwartz, R. (Updated 2009 July 9). Complement Deficiencies. eMedicine [On-line information]. Available online at http://emedicine.medscape.com/article/135478-overview through http://emedicine.medscape.com. Accessed September 2010.

Delves, P. (Revised 2008 September). Complement System. Merck Manual for Healthcare Professionals [On-line information]. Available online at http://www.merck.com/mmpe/sec13/ch163/ch163d.html?qt=complement&alt=sh through http://www.merck.com. Accessed September 2010.

Gupta, R. et. al. (Updated 2009 April 21). Complement-Related Disorders. eMedicine [On-line information]. Available online at http://emedicine.medscape.com/article/136368-overview through http://emedicine.medscape.com. Accessed September 2010.

Pagana, K. D. & Pagana, T. J. (© 2007). Mosby's Diagnostic and Laboratory Test Reference 8th Edition: Mosby, Inc., Saint Louis, MO. Pp 288-289.

Henry's Clinical Diagnosis and Management by Laboratory Methods. 21st ed. McPherson R, Pincus M, eds. Philadelphia, PA: Saunders Elsevier: 2007, Pp 850, 855-861.