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.
- Noninvasive devices include hearing aids, external splints, and casts.
Noninvasive is the opposite of invasive.
Dorland's Illustrated Medical Dictionary. 32nd ed. Philadelphia, PA: Elsevier Saunders; 2012.