Multi detector computed tomography (MDCT) survey

The survey is a tool for Australian MDCT providers to compare the doses they deliver with the national DRLs and thereby meet their regulatory obligations – all while helping shape the future DRLs.


Login to, or register with, the National Diagnostic Reference Level Service.

Before you register

Information on the MDCT survey registration process, and the information collected.

Before you enter data

Information on the various protocols included in the survey.

Understanding your report

Information to help you understand your NDRLS MDCT data report

MDCT survey user guide

Download the user guide

File National Diagnostic Reference Level Survey User Guide