This dataset can be found in:

Diagnostic services: pathway waiting times, grouped weeks waiting, October 2009 onwards

See what variables and values are shown in your table

Variable	Visibility	Selected values	Action
Date	Shown in table	All 199 values	Change values
Service	Shown in table	All 45 values	Change values
Local health board or site	Shown in table	All 101 values	Change values
Grouped weeks waiting	Shown in table	All 3 values	Change values
Age group	Shown in table	All 4 values	Change values
Data description	Shown in table	pathways waiting	Value cannot be changed

Table

Data values	Data description	Date	Service	Local health board or site	Grouped weeks waiting	Age group
4,728	pathways waiting	April 2026	Diagnostics	All Welsh Hospitals	Total Waiting	Less than 18 years of age
113,079	pathways waiting	April 2026	Diagnostics	All Welsh Hospitals	Total Waiting	18 years of age and over
117,807	pathways waiting	April 2026	Diagnostics	All Welsh Hospitals	Total Waiting	Total
3,592	pathways waiting	April 2026	Diagnostics	All Welsh Hospitals	Up to 8 Weeks	Less than 18 years of age
85,453	pathways waiting	April 2026	Diagnostics	All Welsh Hospitals	Up to 8 Weeks	18 years of age and over
89,045	pathways waiting	April 2026	Diagnostics	All Welsh Hospitals	Up to 8 Weeks	Total
1,136	pathways waiting	April 2026	Diagnostics	All Welsh Hospitals	Over 8 Weeks	Less than 18 years of age
27,626	pathways waiting	April 2026	Diagnostics	All Welsh Hospitals	Over 8 Weeks	18 years of age and over
28,762	pathways waiting	April 2026	Diagnostics	All Welsh Hospitals	Over 8 Weeks	Total
956	pathways waiting	April 2026	Diagnostics	Betsi Cadwaladr University Health Board	Total Waiting	Less than 18 years of age
27,866	pathways waiting	April 2026	Diagnostics	Betsi Cadwaladr University Health Board	Total Waiting	18 years of age and over
28,822	pathways waiting	April 2026	Diagnostics	Betsi Cadwaladr University Health Board	Total Waiting	Total
634	pathways waiting	April 2026	Diagnostics	Betsi Cadwaladr University Health Board	Up to 8 Weeks	Less than 18 years of age
15,802	pathways waiting	April 2026	Diagnostics	Betsi Cadwaladr University Health Board	Up to 8 Weeks	18 years of age and over
16,436	pathways waiting	April 2026	Diagnostics	Betsi Cadwaladr University Health Board	Up to 8 Weeks	Total
322	pathways waiting	April 2026	Diagnostics	Betsi Cadwaladr University Health Board	Over 8 Weeks	Less than 18 years of age
12,064	pathways waiting	April 2026	Diagnostics	Betsi Cadwaladr University Health Board	Over 8 Weeks	18 years of age and over
12,386	pathways waiting	April 2026	Diagnostics	Betsi Cadwaladr University Health Board	Over 8 Weeks	Total
1	pathways waiting	April 2026	Diagnostics	Chirk	Total Waiting	Less than 18 years of age
105	pathways waiting	April 2026	Diagnostics	Chirk	Total Waiting	18 years of age and over
106	pathways waiting	April 2026	Diagnostics	Chirk	Total Waiting	Total
1	pathways waiting	April 2026	Diagnostics	Chirk	Up to 8 Weeks	Less than 18 years of age
17	pathways waiting	April 2026	Diagnostics	Chirk	Up to 8 Weeks	18 years of age and over
18	pathways waiting	April 2026	Diagnostics	Chirk	Up to 8 Weeks	Total
88	pathways waiting	April 2026	Diagnostics	Chirk	Over 8 Weeks	18 years of age and over

Showing 1 to 25 of 961,250 rows

Page 1 of 38450

Metadata

The metadata for this dataset is not included when you download the data. You can download this separately. This contains all the information from the 'About this dataset' tab.

Next update expected:23 July 2026

Updates

• 18th June 2026:

  New month added

• 21st May 2026:

  New month added

• 24th April 2026:

  Metadata updated

• 23rd April 2026:

  New month added

• 19th March 2026:

  New month added.

• 19th February 2026:

  New month added

• 22nd January 2026:

  New month added

• 18th December 2025:

  New month added.

• 23rd October 2025: Dataset first published.

Main information

• Designation: Accredited official statistics
• Data provider: Digital Health and Care Wales (DHCW)
• Data source: Diagnostic and Therapy Services Waiting Times (DATS)
• Time period covered: October 2009 to April 2026

Overview

• Summary of dataset and variables:

  Information on waiting times, reported by local health boards, for specified diagnostic services for the NHS in Wales.

• Data collection or calculation:

  Data are drawn from Local Health Board administrative systems relating to the management of patients who have been referred for a diagnostic service. Data are reported monthly by Local Health Boards via Digital Health and Care Wales (DHCW). The data collection has been in place since October 2009.

  In April 2019 health service provision for residents of Bridgend local authority moved from Abertawe Bro Morgannwg to Cwm Taf. The health board names changed, with Cwm Taf University Health Board becoming Cwm Taf Morgannwg University Health Board, and Abertawe Bro Morgannwg University Health Board becoming Swansea Bay University Health Board.

• Statistical quality:

  Data definitions and standards are mandated by the Welsh Information Standards Board (WISB).

  Continuity in the data series is affected by the following quality issues:

  Data for Diagnostic Endoscopy, Dietetics, Occupational Therapy, Physiological Measurement, Physiotherapy and Speech Language for Withybush General Hospital (Hywel Dda Health Board) were estimated for September 2010 – May 2011 using data from August 2010.

  Physiotherapy data for October 2012 for Cardiff and Vale University Health Board were estimated using data for September 2012, and data for February 2013 were estimated using data from January 2013.

  Radiology & imaging data for June 2013 for Cardiff and Vale University LHB were estimated using data for May 2013.

  Neurophysiology data for April 2014 for Betsi Cadwaladr University LHB were estimated using data for March 2014.

  Figures for nuclear medicine for Aneurin Bevan were under reported between February and July 2015. During these months data for Myocardial Perfusion Scans were not reported under nuclear medicine, whereas outside of these months this test was included under nuclear medicine. The decrease in patients seen in February 2015 and the increase seen in August 2015 were therefore due to the way the data were reported, rather than changes in actual numbers of patients. This resulted a difference of approximately 350-400 patients each month, and approximately 150 to 190 of these each month were waiting 8 weeks or longer for their scan.

  Data for April 2017 for Cwm Taf University Health Board were estimated using data for March 2017.

  From April 2018, additional diagnostic tests for Cardiology were included, resulting in an increase in the figures from this point.

  Neurophysiology data for Aneurin Bevan local health board became available in June 2023, adding around 1,000 pathways that had not been reported previously. Neurophysiology diagnostic services were provided by Aneurin Bevan before June 2023, however those data were not available.

  Between April and June 2023 the published figures for ‘Radiology – GP referral’ for Montgomery County Infirmary and Victoria Memorial are known to be lower than is actually the case.

  From March 2026, figures for non obstetric ultrasound pathways in Cwm Taf Morgannwg University health board are subject to data quality issues. The health board is working to resolve the issue and data will be revised when available.

• Related reports:
  • NHS activity and performance summary, statistical release [English]
  • NHS activity and performance summary: quality report [English]
  • NHS activity and performance summary, statistical release [Welsh]
  • NHS activity and performance summary: quality report [Welsh]

Published by

• Organisation: Welsh Government
• Contact email: stats.healthinfo@gov.wales