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​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​National Healthcare Group Diagnostics (NHGD) is a business unit of NHG Cares Services, a strategic business group of the National Healthcare Group. We are a leading provider of ​​quality laboratory and imaging services in primary healthcare in Singapore. Conveniently located in all NHG Polyclinics, our aim is to provide one-stop imaging and laboratory services which are accessible, cost-effective, seamless, timely and accurate.

NHGD offers the following services at the Polyclinics:​

  • General  X-ray

  • Mammogram

  • Bone Mineral Densitometry (BMD)

  • Ultrasound

  • Laboratory Testing

  • Spirometry

  • Electrocardiogram (ECG)

Mammogram Screening

Please make an appointment in advance.

  • To make a new appointment, please submit your request via our Online Appointment Form.​​

  • You may reschedule your appointment via the same link at least 3 working days before your appointment.

  • Alternatively, you may call 6275-6443 (6-ASK-NHGD) for more information.

  • A doctor’s memorandum is required if you are a foreigner.

Eligibility for Mammogram

To be eligible for the Screen For Life programme, participant must fulfill the following criteria.


40 – 49 years old

50 years and older

Sin​gaporean or Permanent Resident



Have not gone for mammogram for the last 12 months


​Have not gone for mammogram for the last 24 months


Have no breast symptoms such as breast lumps or blood stained nipple discharge



Have not been breastfeeding for the past 6 months



Please consult your family doctor should you experience breast symptoms such as breast lumps or blood stained nipple discharge.

Medisave Guidelines

Under the Medisave guidelines, participants must fulfill all the criteria below to be eligible for Medisave claim.

  • Singapore Citizens or Permanent Residents

  • Patients who are eligible to screen​ under the Screen For Life programme

  • ​Aged 50 and above (based on year of birth of patient)

  • Sufficient Medisave funds under the Medisave500 scheme

  • Patients can use their own or their immediate family members’ Medisave for their mammogram screening

Ultrasound Scans - Preparation Instructions

Please view the preparation instructions for Fasting, Non-Fasting and Pelvis Ultrasound scans prior to your visit.

The instructions in PDF format are available below:

English - Chinese
English - Malay
English - Tamil​ ​

For more information, please visit the NHGD website here.


Polyclinics with this service
Ang Mo Kio; Geylang; Hougang; Kallang; Toa Payoh; Woodlands; Yishun