What changed in ODS in U74554. History comes from monthly NHS releases until August 2026, then from the ODS API every 6 hours.
Showing changes by the date ODS says they took effect.
Effective 15 Apr 2026
Effective 15 Apr 2026
Effective 15 Apr 2026
Effective 15 Apr 2026
Effective 15 Apr 2026
Effective 15 Apr 2026
Effective 15 Apr 2026
Effective 15 Apr 2026
Effective 15 Jul 2024
Effective 24 Mar 2021
Effective 1 Oct 2020
Effective 1 Oct 2020
Effective 1 Oct 2020
Effective 1 Oct 2020
Effective 1 Apr 2020
Effective 20 Dec 2019
Effective 30 Nov 2019
Effective 1 Apr 2018
Effective 1 Apr 2013
23 changes in the chart (notable), counted by date effective.