Medical Health Encyclopedia

C1 esterase inhibitor


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Alternative Names

C1 inhibiting factor; C1-INH


Normal Values

C1 esterase inhibitor: 16 to 33 milligrams per deciliter (mg/dL)


What abnormal results mean

Abnormal results may be due to certain types of angioedema.



Review Date: 02/07/2011
Reviewed By: Michael E. Makover, MD, professor and attending in Rheumatology at the New York University Medical Center, New York, NY. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org).




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