Diagnostic Imaging Dataset (DIDS)

The Diagnostic Imaging Dataset (DIDS) is a central collection of detailed information about diagnostic imaging tests carried out on NHS patients, extracted from local Radiology Information Systems (RISs) and submitted monthly. 

The DIDS captures information about referral source and patient type, details of the test (type of test and body site), demographic information such as GP registered practice, patient postcode, ethnicity, gender, and date of birth, plus items about waiting times for each diagnostic imaging event, from time of test request through to time of reporting. NHS Digital collect the dataset at patient level. It is reported here in summary form as Official Statistics. 

For more information go to: Diagnostic Imaging Data Set.

Direction  

Find out about the Direction.

Legal basis for the collection of the data  

The Health and Social Care Act 2012 (HSCA 2012) section 254. 

Data Provision Notice  

To be confirmed. 

Legal basis for the provision of data  

The Health and Social Care Act 2012 (HSCA 2012) section 259. 

Legal basis for processing the data 

The UK GDPR Article 6 lawful basis for the processing of the personal data within this collection falls under: 

• Article 6(1)(e) processing is necessary for the performance of a task carried out in the public interest or in the exercise of official authority vested in the controller

The UK GDPR Article 9 condition for processing special categories of personal data within the collection falls under: 

• Article 9 2 (h) processing is necessary for the provision of health care or treatment, and for the management of health care systems or services

Transparency notice

Find out about the Transparency Notice.

Lag time from collection to dissemination  

4 complete months (such as activity up to the end of September 2020 is due for dissemination at the end of January 2021). 

Frequency

Monthly.

Commissioning extracts specification

Diagnostic Imaging Dataset (DIDS) specification. 

Suppression rules 

Read the suppression rules.