The nocturnal penile tumescence (NPT) stamp test is a test that
confirms the inability to achieve and maintain an erection.
Review Date: 09/22/2009
Reviewed By: Linda J. Vorvick, MD, Medical Director, MEDEX Northwest Division of
Physician Assistant Studies, University of Washington, School of
Medicine; Louis S. Liou, MD, PhD, Assistant Professor of Urology,
Department of Surgery, Boston University School of Medicine. 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)
