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Cancer Outcomes and Services Data set

About this information standard

The Cancer Outcomes and Services Data set (COSD) provides the standard for secondary uses information required to support implementation and monitoring of Improving Outcomes: a Strategy for Cancer (IOSC).

Version 8.0 introduces a number of changes, detailed in the Change Specification below. These changes should be implemented by 1 April 2018, with full conformance required by 1 July 2018.

Note: The XML Schema to accompany COSD Version 8 is not yet available. If you are interested in the XML Schema, please ensure you have subscribed to the Technology Reference Data Update Distribution (TRUD) page at: Once the XML Schema version 8 is added to TRUD, users who have subscribed to that item will be automatically notified by email of the new version.

This information standard is published under section 250 of the Health and Social Care Act 2012. An Information Standards Notice (see below) provides an overview of scope and implementation timescales, and the other listed documents provide further detail for those who have to implement the information standard.

Current Release

Version 8.0

Release date28/09/2017
Release numberAmd 74/2016
Release titleVersion 8.0
Key documents
Supporting documents
Further information

More information can be found at PHE: National Cancer Intelligence Network (external link)

or please contact the COSD Help Desk -

Previous Releases

Version 7.0

Release date17/08/2016
Release numberAmd 1/2016
Release titleVersion 7.0
Key documents
Supporting documents

Version 6.0

Release date19/02/2015
Release numberAmd 17/2014
Release titleVersion 6.0
Key documents
Supporting documents