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Radiotherapy Data Set (RTDS)

The Radiotherapy Data Set (RTDS) is the national standard for collecting radiotherapy data in the NHS. 

About RTDS

The RTDS standard (DAPB0111) require all NHS Acute Trust providers of radiotherapy services in England or private facilities where delivery is funded by the NHS, to collect and submit standardised data monthly against a nationally defined data set since 2009. The National Disease Registration Service (NDRS) are responsible for the ongoing maintenance, development and implementation.

There are currently 51 NHS Acute Trusts delivering external beam radiotherapy in England, many of which are also delivering at least one form of non-external beam radiotherapy. In addition, there are many NHS funded sites who deliver molecular radiotherapy treatments.

The purpose of the standard is to collect consistent and comparable data across all English providers of radiotherapy or private facilities where delivery is funded by the NHS, to produce a timely and definitive analytical resource of radiotherapy services across England.


RTDS v6.0

This new version structures the data requested into the pathways expected of a radiotherapy patient, including an episode, prescription, plan, attendance and exposure sections.

This has in turn allowed the data set to be futureproofed, with the addition of SNOMED CT, unique radiotherapy coding (not currently found within SNOMED CT or OPCS), the accurate recording of radiotherapy beam type and the actual measurement type to support the actual absorbed radiation dose.

Careful consideration was also made to improve the recording of Proton Therapy (within RTDS), which is now being delivered in Manchester and in London at the University College London Hospital (UCLH). The ability to report clinical trials, treatment intent (in more granular detail), route of admission and specialist radiotherapy treatments were forefront in the many decisions made throughout the development process.

RTDS v6.0 documentation

There is lots of documentation that help users to understand the changes to RTDS v6.0. These are available from the download section below.

In addition, there is further supporting documentation available at the following sites.

Find more guidance on the RTDS on the NHS digital website including the: 

  • specification
  • change request
  • implementation guide
  • information standard notice

And the RTDS v6.0 portal user guide can be found on the NDRS API upload portal. (this opens in a new window and requires an NHS HSCN network)


Submission Schedule

Data files are required to be submitted monthly, 20 working days after the end of the month for England. Therefore the data files should be uploaded to RTDS as per the schedules below. 

Please note that files containing data must be uploaded to the portal and all errors on the file must be resolved.

Feedback reports for the data submitted are available through the CancerStats2 website - (this opens in a new page)

Please note that this platform requires an N3/HSCN secure network connection. To ensure the best user experience, we encourage the use of modern web browsers such as Google Chrome, Mozilla Firefox or Microsoft Edge to access the platform. A small number of platform users have reported issues when opening reports using Internet Explorer.

Submission dates and support

Month of treatment

Submission Due Date

March 2025

30 April 2025

April 2025

30 May 2025

May 2025

27 June 2025

June 2025

28 July 2025

July 2025

29 August 2025

August 2025

26 September 2025

September 2025

28 October 2025

October 2025

28 November 2025

November 2025

30 December 2025

December 2025

29 January 2026

January 2026

27 February 2026

February 2026

27 March 2026

March 2026

30 April 2026

 


Help and Feedback

We are here to help and value feedback and suggestions for how we can improve RTDS. 

RTDS Helpdesk

RTDS has two main points of contact. If you need any help or support with uploading data or queries regarding implementation, these should initially be raised with the RTDS helpdesk as follows:

  • RTDS helpdesk email address – [email protected]
  • RTDS helpdesk telephone number – 01865 458350

RTDS Key Contacts

The following are a list of key contacts responsible for the development and management of the data set:

Position

Name

Senior Responsible Officer

Sarah Stevens

Sponsor

Dr Brian Rous

Lead Developer

Andrew Murphy

Project Lead

Catherine Roe

Implementation/Maintenance Manager

Michael Sharpe

RTDS Liaison Manager and Technical Lead

Danielle Fleet

NDRS data liaison team

The Data Liaison team within the National Disease Registration Service (NDRS) has a wealth of knowledge on cancer pathways and processes within NHS Trusts. NHS teams submitting data to NDRS can seek advice, support and find out more about the data improvement initiatives available to them directly from the regional Data Liaison Managers:

NDRS Region

Data Liaison Manager

Eastern

Marianne Mollett

East Midlands

Simon Cairnes

London and South East

Katrina Sung

Northern and Yorkshire

Rachael Mann

North West

Paul Stacey

Oxford and West Midlands

Gemma Feeney

South West

James Withers

RTDS Newsletter

If you don't currently receive the newsletter and would like to be on the mailing list, please can you use this link to join the RTDS newsletter mailing list. When the next newsletter is published you will then automatically be sent this.


RTDS data outputs

The RTDS team in NDRS provide an analytical function to produce a range of outputs using radiotherapy data and make these available to key stakeholders. We share our outputs with the clinical community and seek feedback to ensure they align with clinical needs.

Explore the RTDS data tools, dashboards, and reports in the Cancer Data Hub section of the website.


Downloads

There are lots of new resources available to support users with the changes to RTDS v6.0.

Click on the boxes below to view the relevant documentation:

 

*We are working hard to covert these PDFs to HTML and will upload the new versions as soon as they are available

Last edited: 7 May 2025 10:48 am