The term noninvasive can refer to diseases, procedures, or devices.
- Noninvasive diseases usually do not spread to or damage other organs and tissues.
- Noninvasive procedures do not involve tools that break the skin or physically enter the body. Examples include x-rays, a standard eye exam, CT scan, MRI, ECG, and Holter monitoring.
Standard eye exam
A standard eye exam is a series of tests done to check your vision and the health of your eyes.
A computed tomography (CT) scan is an imaging method that uses x-rays to create pictures of cross-sections of the body. Related tests include:Abdomin...
A magnetic resonance imaging (MRI) scan is an imaging test that uses powerful magnets and radio waves to create pictures of the body. It does not us...
An electrocardiogram (ECG) is a test that records the electrical activity of the heart.
- Noninvasive devices include hearing aids, external splints, and casts.
Noninvasive is the opposite of invasive.
An invasive disease is one that spreads to surrounding tissues. An invasive procedure is one in which the body is "invaded", or entered by a needle,...
Taber's Medical Dictionary Online website. www.tabers.com/tabersonline. Accessed March 7, 2019.
Noninvasive test - illustration
A noninvasive test is a procedure that does not involve tools that break the skin or physically enter the body.
Review Date: 2/7/2019
Reviewed By: Linda J. Vorvick, MD, Clinical Associate Professor, Department of Family Medicine, UW Medicine, School of Medicine, University of Washington, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.