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Preparing for your DDR appointment

Welcome to SGH Diagnostic Radiology! On this page, you will find information on how to prepare for your upcoming appointment with us.

Before Your Appointment

Preparation for your scan

Pre-scan preparations and fasting will vary according to the type of scan ordered. Click below to find out more:

You can contact us at on further enquiries.

Reschedule or Cancel scan appointment

Please contact us at

Day of Appointment

Things to bring for your appointment

Please bring along the original request form and any previous X-rays, CT, MRI or Ultrasound images performed in any private clinic/outside institutions that you may have.

  • If you are covered by your company or any other payment schemes
    Please provide the Letter of Guarantee (LOG) and/or any other supporting documents during registration.
  • For referral by SAF
    Please provide the Letter of Identity (LOI) issued by CMPB, dated same day as procedure date or SAF Identity Card (11B), whichever applicable. Submit to our staff on the day of procedure.

Arrival Timing

Please arrive 20 minutes before your appointment time for registration. If you are late, your appointment may be rescheduled to another day/time.

During Your Scan

Photography and video recording of the radiological examination is not allowed in the examination room.

Read more about your procedure by selecting the procedure below


A fluoroscopy examination uses a type X-ray called fluoroscopic imaging to view images of the body in real-time.

Plain Radiography (X-ray)

X-rays use ionising radiation to obtain images of various parts of the body.

Computed tomography (CT)

A CT (Computed Tomography) Scan is an x-ray procedure performed using a computerised x-ray scanner to obtain cross-sectional images of the body.

Magnetic Resonance Imaging (MRI)

Magnetic Resonance Imaging (MRI) is a versatile medical diagnostic technique used to create detailed images of the body using a magnetic field and radio waves.


Ultrasound is a non-ionising imaging method that uses sound waves to produce images of structures within the body.

Breast Imaging

Breast imaging utilizes modalities that involve ionising radiation (such as mammography) and non-ionising methods (including ultrasound and MRI).


Why is my scan not scheduled within SGH campus?

SGH Radiology works with other SingHealth institutions as well as selected outsourced partners to make available more MRI slots for our patients. This means a shorter waiting time for your MRI appointment. 

List of selected outsource partners: 

  • Asia Medic 
  • DX Imaging Centre 
  • Farrer Park Hospital 
  • Lifescan Imaging 
  • Raffles Hospital 
  • Royal Healthcare 

Your MRI will be reviewed by an SGH radiologist, and your scans and reports will be available to your doctor during your follow up clinic appointment. 

How will I be notified / contacted for my outsourced MRI appointment?

You may be contacted via WhatsApp for your outsourced MRI appointment. The listed WhatsApp number(s) are as follow: 

  • +65 8612 8473
  • +65 8344 1235
  • +65 8721 6100

You may find more information about scans arranged at our selected outsourced partners here.

Am I allowed to go to a private imaging centre on my own to get my scans done?

Please consult your clinician before you do so. Apart from the private imaging centres that we specifically collaborate with, we do not have an overview of how the imaging is performed and cannot ensure their image quality.

What is a US Guided Venipuncture? 

Ultrasound guided venipuncture is a procedure where ultrasound is used to locate and visualize the veins under the skin. It is usually performed when normal methods of identifying and cannulating the vein is difficult or unsuccessful. 

You may be required to undergo this procedure as preparation for your scan. Find out more here.