{"schemaVersion":"1.0","id":"nhs-diagnostic-waits-by-test","dataset":"nhs-diagnostic-waits-by-test","title":"Diagnostic waits across all 15 tests","description":"The share waiting beyond six and 13 weeks for MRI, CT, endoscopy, ultrasound and every other published diagnostic test.","methodology":"Latest DM01 full provider extract, aggregated for active London trusts identified through NHS ODS. The six-week figure sums the published weekly waiting-list bands from week six onwards. Independent-sector activity outside an ODS London trust is not included; this is provider-footprint data rather than resident experience.","category":"nhs","categoryLabel":"NHS","cadence":"monthly","placeholder":false,"landingPage":"https://londongraph.com/g/nhs-diagnostic-waits-by-test","markdown":"https://londongraph.com/g/nhs-diagnostic-waits-by-test/index.html.md","source":{"name":"NHS England","url":"https://www.england.nhs.uk/statistics/statistical-work-areas/diagnostics-waiting-times-and-activity/monthly-diagnostics-waiting-times-and-activity/","licence":"Open Government Licence v3.0","licenceUrl":"https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/"},"updatedAt":"2026-08-01T23:45:26.433Z","release":{"label":"DM01-MAY-2026","publishedAt":"2026-05-31T00:00:00.000Z","resourceUrl":"https://www.england.nhs.uk/statistics/wp-content/uploads/sites/2/2026/07/DM01-MAY-2026-full-extract_8BN1G.zip","methodologyUrl":"https://www.england.nhs.uk/statistics/statistical-work-areas/diagnostics-waiting-times-and-activity/monthly-diagnostics-waiting-times-and-activity/","sha256":"56e9e1ad552f368d3512618abbdcd6bc9189f995e2dd3f579ec4af9cdd8d1c0d"},"observations":[{"series":"Waiting 13 weeks or more","buckets":["Urodynamics","Peripheral Neurophys","Audiology Assessments","Electrophysiology","Sleep Studies","Cystoscopy","Barium Enema","Colonoscopy","Flexi Sigmoidoscopy","Gastroscopy","MRI","Non Obstetric Ultrasound","Echocardiography","DEXA Scan","CT"],"values":[37.01399688958009,24.941792782305004,28.91380967638577,27.27272727272727,16.80933852140078,19.32367149758454,13.344887348353554,9.929989998571225,9.279950341402856,8.526148969889064,7.021266335535516,4.348527501956071,8.544280027041237,2.4281424281424284,3.6561898652982685],"unit":"% · DM01-MAY-2026","metadata":[{"flags":["provisional"],"metrics":{"over_6_weeks":1381,"waiting_list":2572,"over_13_weeks":952},"denominator":2572},{"flags":["provisional"],"metrics":{"over_6_weeks":3024,"waiting_list":6872,"over_13_weeks":1714},"denominator":6872},{"flags":["provisional"],"metrics":{"over_6_weeks":6696,"waiting_list":15605,"over_13_weeks":4512},"denominator":15605},{"flags":["provisional"],"metrics":{"over_6_weeks":29,"waiting_list":77,"over_13_weeks":21},"denominator":77},{"flags":["provisional"],"metrics":{"over_6_weeks":2666,"waiting_list":7710,"over_13_weeks":1296},"denominator":7710},{"flags":["provisional"],"metrics":{"over_6_weeks":1335,"waiting_list":4140,"over_13_weeks":800},"denominator":4140},{"flags":["provisional"],"metrics":{"over_6_weeks":531,"waiting_list":1731,"over_13_weeks":231},"denominator":1731},{"flags":["provisional"],"metrics":{"over_6_weeks":4156,"waiting_list":13998,"over_13_weeks":1390},"denominator":13998},{"flags":["provisional"],"metrics":{"over_6_weeks":949,"waiting_list":3222,"over_13_weeks":299},"denominator":3222},{"flags":["provisional"],"metrics":{"over_6_weeks":3628,"waiting_list":12620,"over_13_weeks":1076},"denominator":12620},{"flags":["provisional"],"metrics":{"over_6_weeks":14342,"waiting_list":62211,"over_13_weeks":4368},"denominator":62211},{"flags":["provisional"],"metrics":{"over_6_weeks":28323,"waiting_list":123973,"over_13_weeks":5391},"denominator":123973},{"flags":["provisional"],"metrics":{"over_6_weeks":5451,"waiting_list":26626,"over_13_weeks":2275},"denominator":26626},{"flags":["provisional"],"metrics":{"over_6_weeks":2261,"waiting_list":11655,"over_13_weeks":283},"denominator":11655},{"flags":["provisional"],"metrics":{"over_6_weeks":4384,"waiting_list":34298,"over_13_weeks":1254},"denominator":34298}]},{"series":"Waiting over 6 weeks","buckets":["Urodynamics","Peripheral Neurophys","Audiology Assessments","Electrophysiology","Sleep Studies","Cystoscopy","Barium Enema","Colonoscopy","Flexi Sigmoidoscopy","Gastroscopy","MRI","Non Obstetric Ultrasound","Echocardiography","DEXA Scan","CT"],"values":[53.69362363919129,44.0046565774156,42.90932393463633,37.66233766233766,34.57846952010376,32.2463768115942,30.675909878682845,29.689955707958283,29.45375543140906,28.748019017432647,23.053800774782594,22.84610358707138,20.47247051753925,19.3993993993994,12.782086419033178],"unit":"% · DM01-MAY-2026","metadata":[{"flags":["provisional"],"metrics":{"over_6_weeks":1381,"waiting_list":2572,"over_13_weeks":952},"denominator":2572},{"flags":["provisional"],"metrics":{"over_6_weeks":3024,"waiting_list":6872,"over_13_weeks":1714},"denominator":6872},{"flags":["provisional"],"metrics":{"over_6_weeks":6696,"waiting_list":15605,"over_13_weeks":4512},"denominator":15605},{"flags":["provisional"],"metrics":{"over_6_weeks":29,"waiting_list":77,"over_13_weeks":21},"denominator":77},{"flags":["provisional"],"metrics":{"over_6_weeks":2666,"waiting_list":7710,"over_13_weeks":1296},"denominator":7710},{"flags":["provisional"],"metrics":{"over_6_weeks":1335,"waiting_list":4140,"over_13_weeks":800},"denominator":4140},{"flags":["provisional"],"metrics":{"over_6_weeks":531,"waiting_list":1731,"over_13_weeks":231},"denominator":1731},{"flags":["provisional"],"metrics":{"over_6_weeks":4156,"waiting_list":13998,"over_13_weeks":1390},"denominator":13998},{"flags":["provisional"],"metrics":{"over_6_weeks":949,"waiting_list":3222,"over_13_weeks":299},"denominator":3222},{"flags":["provisional"],"metrics":{"over_6_weeks":3628,"waiting_list":12620,"over_13_weeks":1076},"denominator":12620},{"flags":["provisional"],"metrics":{"over_6_weeks":14342,"waiting_list":62211,"over_13_weeks":4368},"denominator":62211},{"flags":["provisional"],"metrics":{"over_6_weeks":28323,"waiting_list":123973,"over_13_weeks":5391},"denominator":123973},{"flags":["provisional"],"metrics":{"over_6_weeks":5451,"waiting_list":26626,"over_13_weeks":2275},"denominator":26626},{"flags":["provisional"],"metrics":{"over_6_weeks":2261,"waiting_list":11655,"over_13_weeks":283},"denominator":11655},{"flags":["provisional"],"metrics":{"over_6_weeks":4384,"waiting_list":34298,"over_13_weeks":1254},"denominator":34298}]}],"areaStatistics":null,"visualizations":[{"id":"overview","label":"Overview","description":"The share waiting beyond six and 13 weeks for MRI, CT, endoscopy, ultrasound and every other published diagnostic test.","url":"https://londongraph.com/g/nhs-diagnostic-waits-by-test","renderer":"primary","default":true,"timeControl":"inherit","datasets":[],"transform":null,"controls":null,"metrics":[],"caveat":null},{"id":"distribution","label":"Distribution","description":"Show every published value around the median and quartiles.","url":"https://londongraph.com/g/nhs-diagnostic-waits-by-test?view=distribution","renderer":"distribution","default":false,"timeControl":"inherit","datasets":[],"transform":null,"controls":null,"metrics":[],"caveat":null}],"availability":"observations","note":"The release is complete for the measures represented on the graph page."}