Change of https://www.gov.uk/government/publications/diagnostic-radiology-national-diagnostic-reference-levels-ndrls

Change description : 2025-07-08 09:30:00: NDRLs for general radiography, and fluoroscopy and interventional radiography have been updated. [Guidance and regulation]

Showing diff : 2024-11-20 09:14:53.473730360 +00:00..2025-08-07 22:47:44.645303466 +00:00

Guidance

Diagnostic radiology: national diagnostic reference levels

Details of the national diagnostic reference levels (NDRLs), for clinicians using radiation in medicine.

Update history

2025-07-08 09:30
NDRLs for general radiography, and fluoroscopy and interventional radiography have been updated.

2024-11-20 09:14
Added ‘National Diagnostic Reference Levels (NDRLs) from 20 November 2024’.

2022-11-24 13:11
Added process to generate, adopt and maintain NDRLs.

2022-10-13 16:14
Updated with latest mammography and adult CT NDRLs. Year of publication also added to each NDRL value.

2022-06-14 16:58
Updated with latest update, including change to ‘2b. Paediatric CT examinations’.