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Trypsin and Chymotrypsin

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Formal name: Stool Trypsin and Chymotrypsin

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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

Dugdale, D. (Updated 2011 February 4). Trypsin and chymotrypsin in stool. MedlinePlus Medical Encyclopedia [On-line information]. Available online at http://www.nlm.nih.gov/medlineplus/ency/article/003594.htm. Accessed August 2012.

(© 2012). Cystic Fibrosis. Cedars-Sinai [On-line information]. Available online at http://www.cedars-sinai.edu/Patients/Health-Conditions/Cystic-Fibrosis.aspx through http://www.cedars-sinai.edu. Accessed September 2012.

Rosenstein, B. (Revised 2008 August). Cystic Fibrosis. Merck Manual Home Health Handbook [On-line information]. Available online at http://www.merckmanuals.com/home/childrens_health_issues/cystic_fibrosis_cf/cystic_fibrosis.html through http://www.merckmanuals.com. Accessed September 2012.

Kaneshiro, N. (2012 May 16). Cystic fibrosis. MedlinePlus Medical Encyclopedia [On-line information]. Available online at http://www.nlm.nih.gov/medlineplus/ency/article/000107.htm. Accessed August 2012.

Huffman, J. et. al. (Updated 2012 March 8). Chronic Pancreatitis. Medscape Reference [On-line information]. Available online at http://emedicine.medscape.com/article/181554-overview through http://emedicine.medscape.com. Accessed August 2012.

(© 1995-2012). Trypsin, Fecal. Mayo Clinic Mayo Medical Laboratories [On-line information]. Available online at http://www.mayomedicallaboratories.com/test-catalog/Overview/57317 through http://www.mayomedicallaboratories.com. Accessed September 2012.

Timothy S. Uphoff, Ph.D., D(ABMG), MLS(ASCP)CM.  Section Head Molecular Pathology Laboratory, Marshfield Labs, Marshfield Clinic, Marshfield WI.

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.

NIDDK (July 1997). Cystic Fibrosis Research Directions. The National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) [NIH Publication No. 97-4200]. Available online at http://www.niddk.nih.gov/health/endo/pubs/cystic/cystic.htm through http://www.niddk.nih.gov.

Cystic Fibrosis Foundation. Sweat Testing Procedure and Commonly Asked Questions. [On-line information]. Available online at http://www.cff.org/publications01.htm through http://www.cff.org.

Tait, J., et. al. (26 March 2001). Cystic Fibrosis. GENEReviews [On-line information]. Available online at http://www.genetests.org/.

Mayo Clinic (2001, February 09). What is Cystic Fibrosis? Mayo Clinic [On-line information]. Available online at http://www.mayoclinic.com/invoke.cfm?objectid=2CEBF76F-D36A-4D15-B937BFF91AB51438 through http://www.mayoclinic.com.

MEDLINEplus (2002, January 2, Updated). Cystic Fibrosis. MEDLINEplus Health Information [On-line Information]. Available online at http://www.nlm.nih.gov/medlineplus/ency/article/000107.htm.

MEDLINEplus (2002, January 2, Updated). Sweat Electrolytes. MEDLINEplus Health Information [On-line Information]. Available online at http://www.nlm.nih.gov/medlineplus/ency/article/003630.htm.

MEDLINEplus (2002, January 2, Updated). Trypsin and chymotrypsin in stool. MEDLINEplus Health Information [On-line Information]. Available online at http://www.nlm.nih.gov/medlineplus/ency/article/003594.htm.

Mountain States Genetics (1999, September, Revised). Cystic Fibrosis (CF). Newborn Screening Practitioner’s Manual [On-line information]. Available online at http://www.mostgene.org/pract/prac26.htm through http://www.mostgene.org.

National Institutes of Health (1995, November). Facts About Cystic Fibrosis. National Heart, Lung, and Blood Institute NIH Publication No. 95-3650 [On-line information]. Available online at http://www.nhlbi.nih.gov/health/public/lung/other/cf.htm through http://www.nhlbi.nih.gov.

Quest Diagnostics NEWS (2002, Winter). What is the Best Test to Screen for Cystic Fibrosis? [On-line serial]. PDF available for download at http://www.questdiagnostics.com/hcp/files/02winter_newsletter.pdf through http://www.questdiagnostics.com.

MEDLINEplus (2002, January 2, Updated). Neonatal cystic fibrosis screening. MEDLINEplus Health Information [On-line Information]. Available online at http://www.nlm.nih.gov/medlineplus/ency/article/003409.htm.

Drkoop (2001). Cystic fibrosis. Medical Encyclopedia [On-line information]. Available online at http://www.drkoop.com/conditions/ency/article/000107.htm through http://www.drkoop.com.

MEDLINEplus (2002, January 2, Updated). Trypsinogen. MEDLINEplus Health Information [On-line Information]. Available online at http://www.nlm.nih.gov/medlineplus/ency/article/003560.htm.

Biomedical Hypertext (1999 May 20, last update). Exocrine Secretions of the Pancreas. Colorado State University [On-line information]. Available online at http://arbl.cvmbs.colostate.edu/hbooks/pathphys/digestion/pancreas/exocrine.html through http://arbl.cvmbs.colostate.edu.

UPCMD (1998 – 2002). Cystic Fibrosis. University Pathology Consortium, LLC [On-line information]. Available online at http://www.upcmd.com/dot/examples/00218/description.html through http://www.upcmd.com.

Sainato, D., (2002, March). Genetic Testing for CF Going Mainstream? Clinical Laboratory News [Journal], Vol 28.

Peter Jacky, PhD, FACMG. Director of Cytogenetics and Molecular Genetics, Airport Way Regional Laboratory, Portland, OR.

Wu, A. (2006). Tietz Clinical Guide to Laboratory Tests, Fourth Edition. Saunders Elsevier, St. Louis, Missouri. Page 1088.

(Update May 5, 2007) Lehrer, J. MedlinePlus Medical Encyclopedia. Trypsin and Chymotrypsin in Stool. Available online at http://www.nlm.nih.gov/medlineplus/ency/article/003594.htm. Accessed January 2009.

Tietz Textbook of Clinical Chemistry and Molecular Diagnostics. Burtis CA, Ashwood ER, Bruns DE, eds. St. Louis: Elsevier Saunders; 2006, p 622-623.

Wu, A. (2006). Tietz Clinical Guide to Laboratory Tests, Fourth Edition. Saunders Elsevier, St. Louis, Missouri. 1088-1091.

Cystic Fibrosis Foundation. Testing for Cystic Fibrosis. Available online at http://www.cff.org/AboutCF/Testing/ through http://www.cff.org. Accessed January 2009.

Cleveland Clinic. Cystic Fibrosis. Available online at http://my.clevelandclinic.org/disorders/cystic_fibrosis/hic_cystic_fibrosis.aspx# through http://my.clevelandclinic.org. Accessed January 2009.

Denise I. Quigley, PhD, FACMG. Co-Director Cytogenetics/Molecular Genetics, Airport Way Regional Laboratory, Portland, OR.

Peter Jacky, PhD, FACMG. Director of Cytogenetics and Molecular Genetics, Airport Way Regional Laboratory, Portland, OR.