A patient may need a CT scan for several reasons. Mainly, the reason why would a doctor order a CT scan is to diagnose a patient’s problem accurately. However, many people may be confused as to why would a doctor order a CT scan. It is perfect timing to explain the essence of having a computed tomography (CT) scan for people who may be unsure about its practices and guidelines. Moreover, you may also prepare for any upcoming appointments that will require an order of CT scan from your preferred licensed doctor. Read ahead and discover which health illnesses and options you can choose for your radiograph examination test.