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Official Description

Computed tomographic (CT) colonography (ie, virtual colonoscopy); screening

© Copyright 2026 American Medical Association. All rights reserved.

Common Language Description

The CPT® Code 0066T refers to a procedure known as computed tomographic (CT) colonography, commonly referred to as virtual colonoscopy. This advanced imaging technique utilizes a series of X-ray images taken from different angles to create detailed cross-sectional views of the colon. The primary purpose of this procedure is to assist healthcare professionals in diagnosing and treating various conditions affecting the colon, particularly in the context of screening for precancerous polyps. By providing a non-invasive method to visualize the interior of the colon, CT colonography plays a crucial role in early detection and intervention, potentially preventing the progression of colorectal cancer. The procedure is specifically designated for screening purposes, emphasizing its role in identifying abnormalities before they develop into more serious health issues.

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