The cost of these CT scans are usually less expensive, around the $300-$700 US dollar range per body part and offered on a cash discount basis.Often, these can be discounted even further if you want to have a full body scan to include your brain, neck, chest, abdomen and pelvis.his also varies greatly from place to place even in the same city. CT Scan cost goes up for each additional body part scanned. For example, if you needed to have your chest, abdomen and pelvis scanned for medical necessity, it could be as much as $6,000 US dollars or more, especially if contrast is used.