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Direct Antiglobulin Test

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Also known as: DAT; Direct Coombs Test; Direct Anti-human Globulin Test
Formal name: Direct Antiglobulin Test

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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

(© 1995-2012). Test ID: DCTM9008 Direct Coombs, Blood. Mayo Clinic Mayo Medical Laboratories [On-line information]. Available online at http://www.mayomedicallaboratories.com/test-catalog/Overview/9008 through http://www.mayomedicallaboratories.com. Accessed July 2012.

Devkota, B. (Updated 2012 May 25). Direct Antiglobulin Test. Medscape Reference [On-line information]. Available online at http://emedicine.medscape.com/article/2105623-overview#showall through http://emedicine.medscape.com. Accessed July 2012.

Wagle, S. and Deshpande, P. (Updated 2011 May 18). Hemolytic Disease of Newborn. Medscape Reference [On-line information]. Available online at http://emedicine.medscape.com/article/974349-overview through http://emedicine.medscape.com. Accessed July 2012.

Vorvick, L. (Updated 2012 February 7). Coombs' test. MedlinePlus Medical Encyclopedia [On-line information]. Available online at http://www.nlm.nih.gov/medlineplus/ency/article/003344.htm. Accessed July 2012.

Zieve, D. and Eltz, D. (Updated 2011 August 30). Rh incompatibility. MedlinePlus Medical Encyclopedia [On-line information]. Available online at http://www.nlm.nih.gov/medlineplus/ency/article/001600.htm. Accessed July 2012.

(© 1996-2012). Rh Disease. The Children's Hospital of Philadelphia [On-line information]. Available online at http://www.chop.edu/healthinfo/rh-disease.html through http://www.chop.edu Accessed July 2012.

Pagana, K. D. & Pagana, T. J. (© 2011). Mosby's Diagnostic and Laboratory Test Reference 10th Edition: Mosby, Inc., Saint Louis, MO. Pp 307-308.

AABB Technical Manual, Pg 512. AABB, Bethesda, MD.

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. Pgs 286-289.

Dhaliwal, G. et. al. (2004 June 1). Hemolytic Anemia. American Family Physician [On-line journal]. Available online at http://www.aafp.org/afp/20040601/2599.html through http://www.aafp.org.

Triulzi, D. (2000 October). Indirect and Direct Antiglobulin (Coombs) Testing and the Crossmatch. Transfusion Medicine Update [On-line information]. Available online at http://www.itxm.org/TMU2000/tmu10-2000.htm through http://www.itxm.org.

Grund, S., Updated (2004 August 16, Updated). Coombs' test – direct. MedlinePlus Medical Encyclopedia [On-line information]. Available online at http://www.nlm.nih.gov/medlineplus/ency/article/003344.htm.

Grund, S., Updated (2004 August 16, Updated). Coombs’ test – indirect. MedlinePlus Medical Encyclopedia [On-line information]. Available online at http://www.nlm.nih.gov/medlineplus/ency/article/003343.htm.

(2001 March).Rh Disease. March of Dimes Fact Sheet [On-line information]. Available online at http://www.marchofdimes.com/professionals/681_1220.asp through http://www.marchofdimes.com/.

(1995-2005). Autoimmune Hemolytic Anemia. The Merck Manual of Diagnosis and Therapy. Anemias Caused By Excessive Hemolysis. [On-line information]. Available online at http://www.merck.com/mrkshared/mmanual/section11/chapter127/127d.jsp through http://www.merck.com.

Suzanne H. Butch, MA, CLDir. Chief Technologist. Blood Bank and Transfusion Service. University of Michigan Hospitals and Health Centers, Ann Arbor, Michigan.

Julie Brownie MBA, CLS(NCA), SBB(ASCP). Coral Blood Services. Bangor, Maine.

Pagana, Kathleen D. & Pagana, Timothy J. (© 2007). Mosby's Diagnostic and Laboratory Test Reference 8th Edition: Mosby, Inc., Saint Louis, MO.pp 307-308.

Wu, A. (2006).  Tietz Clinical Guide to Laboratory Tests, Fourth Edition. Saunders Elsevier, St. Louis, Missouri. Pp 126-129.

Cutler, C. (2006 September 11, Updated). Coombs' test. MedlinePlus Medical Encyclopedia [On-line information]. Available online at http://www.nlm.nih.gov/medlineplus/ency/article/003344.htm . Accessed on 10/01/08.

Sandler, S.G. and Johnson, V. (2008 September 25, Updated). Transfusion Reactions. EMedicine [On-line information]. Available online at http://www.emedicine.com/med/TOPIC2297.HTM through http://www.emedicine.com Accessed on 10/01/08.

Wagle, S. and Deshpande, P. (2008 September 2, Updated). Hemolytic Disease of the Newborn. eMedicine [On-line information]. Available online at http://www.emedicine.com/ped/TOPIC959.HTM through http://www.emedicine.com. Accessed on 10/01/08.

Direct Antiglobulin Test (DAT) Information Sheet. United Blood Services [On-line information]. PDF available for download at http://www.unitedbloodservices.org/forms/BS_950.pdf through http://www.unitedbloodservices.org. Accessed on 10/01/08.

(2005 November, Revised). Autoimmune Hemolytic Anemia. Merck Manual for Healthcare Professionals [On-line information]. Available online at http://www.merck.com/mmpe/print/sec11/ch131/ch131b.html through http://www.merck.com. Accessed on 10/01/08.

(© 2008) Hemolytic Disease of the Newborn. Lucille Packard Children's Hospital at Stanford. Available online at http://www.lpch.org/DiseaseHealthInfo/HealthLibrary/hrnewborn/hdn.html through http://www.lpch.org. Accessed October 2008.