The cost of a right knee MRI is based on whether the patient chooses a 1.5T MRI or a 3.0T MRI. 1.5T MRI costs$600 to examine the knee, while a 3.0T MRI costs$750 to examine the knee. damage. Other tests, such as CT or DR films, do not clearly show the ligaments and meniscus of the knee. If a patient needs to look at the bones of the knee, they can choose CT, which can look at the relationship of the bones of the knee in a three-dimensional reconstruction to help the doctor provide the next step in treatment.