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CPT Code 74183 | MRI Abdomen Without Contrast Followed By Contrast Material

CPT code 74183 may be used to document a magnetic resonance imaging (MRI) procedure on the structures and organs of the abdomen that is performed in two stages: first without contrast material and then with additional sequences after the injection of contrast material.

What Is CPT Code 74183?

Magnetic resonance imaging (MRI) is a medical procedure that uses a strong magnetic field and radio waves to produce detailed images of the inside of the body.

CPT 74183 refers to an abdomen MRI performed in two stages: first without contrast material and then with contrast material and additional sequences.

Before the procedure, the patient is asked to fast for a few hours and may be given earplugs to wear during the scan to block out the tapping noise made by the MRI machine.

During the exam, the patient lies on a table that is slid into a tunnel-shaped scanner, and the technician instructs the patient to hold still and hold their breath for a few seconds while the images are captured.

The MRI machine captures radiofrequency signals generated by the body, and a computer generates a series of images displaying slices of the targeted area.

The physician reviews these images and writes a report with their diagnostic impression based on both the non-contrast and contrast images.


The CPT book describes CPT code 74183 as: “Magnetic resonance (e.g., proton) imaging, abdomen; without contrast material(s), followed by with contrast material(s) and further sequences.”


The patient is asked not to eat or drink for a few hours before the test. The technician who operates the machine will be in another room and always be able to watch or hear the patient during the exam.

The patient is placed supine on the MRI table, which slides the whole body into a large tunnel–shaped magnetic scanner, so that patient’s abdomen is inside a strong magnetic field.

The technician instructs the patient to hold his breath and stay still for 10–15 seconds while the images are taken.

During the test, the MRI makes a rapid tapping noise. To mask this noise, earplugs are provided to the patient. Images are obtained before the administration of contrast material.

Contrast material is then administered, and additional images are obtained. 

Finally, a technician will capture the body’s radiofrequency signals, and a computer will generate images that display slices of the target area.

Pictures from an MRI scan are digital images displayed on the computer screen. The physician reviews the non–contrast and contrast images and forms a diagnostic impression written into a report.

How To Use CPT 74183

Report CPT 74181 for the same procedure without contrast material.

Report CPT 74182 for the same procedure with contrast.


CPT Professional 2022

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