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Computed tomography, pelvis; without contrast material, followed by contrast material(s) and further sections

CPT4 code

Name of the Procedure:

Computed Tomography (CT) of the Pelvis Without Contrast Material, Followed by Contrast Material(s) and Further Sections
Common names: CT scan of the Pelvis, Pelvic CT with Contrast


A CT scan of the pelvis uses X-rays and computer technology to produce detailed images of the pelvic area. Initially, images are taken without contrast material, and then additional images are captured after introducing contrast material to enhance visibility of internal structures.


This procedure is conducted to diagnose and evaluate various conditions of the pelvic region, including injuries, tumors, infections, or abnormalities. It aims to provide clear images for precise diagnosis and guide further treatment decisions.


  • Persistent pelvic pain
  • Unexplained bleeding
  • Detection of tumors or cysts
  • Evaluation of pelvic fractures
  • Assessment of pelvic infections or inflammation
  • Pre-surgical planning and post-surgical evaluation


  • Patients are typically advised to fast for a few hours before the procedure.
  • Medication adjustments may be necessary based on individual medical history.
  • Allergic history to contrast material needs to be reviewed.
  • Blood tests may be conducted to assess kidney function.

Procedure Description

  1. The patient lies on the examination table.
  2. Initial X-ray images are taken without any contrast material.
  3. A contrast material is then administered intravenously.
  4. Further X-ray images are captured after the contrast enhances the visibility of internal structures.
  5. The entire procedure uses a rotating X-ray machine and computer to create cross-sectional images.


The procedure typically takes about 30 to 60 minutes.


This procedure is performed in a hospital radiology department or an outpatient imaging center.


  • Radiologist
  • Radiologic Technologist
  • Nursing staff for contrast material administration

Risks and Complications

  • Exposure to low-dose radiation
  • Allergic reaction to contrast material
  • Kidney function impairment in rare cases
  • Discomfort or complications from IV placement


The procedure provides detailed and precise images that help in timely and accurate diagnosis. Results can often be available within a few hours, aiding in swift clinical decision-making.


  • Patients can usually resume normal activities immediately.
  • It's advisable to drink plenty of fluids to help flush out the contrast material.
  • Follow-up appointments may be scheduled to discuss the results with the healthcare provider.


  • MRI: Avoids radiation but may not be as detailed for certain structures.
  • Ultrasound: Non-invasive and uses no radiation but less detailed for certain conditions.
  • Plain X-rays: Less detailed and less informative compared to CT imaging.

Patient Experience

Patients might feel cold due to the room temperature and the contrast material. There may be a warm sensation or mild discomfort as the contrast material is injected. Post-procedure, any pain or discomfort is usually minimal. Pain management and comfort measures are available if needed.

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