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Programmes to which the National Data Opt-Out should not be applied

The table contains a list of programmes with section 251 approval to which the National Data Opt-Out (NDOO) should not be applied.

The table is subject to change so please ensure you are using the most up-to-date version. The organisation requesting data can also confirm whether the National Data Opt-Out applies.

Programme name Programme type Confidentiality Advisory Group (CAG) number Reason NDOO does not apply
Assuring Transformation Other

CAG 8-02(a)/2014
CAG 8-02(b)/2014
CAG 8-029(c)/2014

Exemption following policy consideration
Biliary Atresia Registry National Registry 21/CAG/0150 Exemption by the Secretary of State following advice from the CAG
Derby Monitoring Study of Self-harm Clinical audit 25/CAG/0027 (previously19/CAG/0135) Exemption by the Secretary of State following advice from the CAG
Epilepsy12 Clinical audit 17/CAG/0184 Exemption by the Secretary of State following advice from the CAG
Intensive Care National Audit and Research Centre (ICNARC)  Clinical audit

Case Mix Programme 24/CAG/0121 (previously
PIAG 2-10(f)/2005)

National Cardiac Arrest Audit
ECC 2-06(n)/2009

Exemption by the Secretary of State following advice from the CAG

Exemption by the Secretary of State following advice from the CAG

Invoice Validation for Controlled Environment for Finance Invoice Validation

CAG 7-07(a)/2013
CAG 7-07(b)/2013
CAG 7-07(c)/2013

Exemption following policy consideration
Learning Disability Mortality Review (LeDeR) programme Clinical audit 20/CAG/0067 Exemption by the Secretary of State following advice from the CAG
The Manchester Self Harm Project - MASH clinical audit Clinical audit 23/CAG/0079 (previously PIAG 2-07(c)/2004) Exemption by the Secretary of State following advice from the CAG
Maternal mortality surveillance and confidential enquiry - MBRRACE Clinical audit 15/CAG/0119 Exemption by the Secretary of State following advice from the CAG
National Audit of Cardiac Rehabilitation (NACR) Clinical audit 23/CAG/0053 (previously ECC 3-04 (a)/2012) Exemption by the Secretary of State following advice from the CAG
National Audit of Inpatient Falls (NAIF) Clinical audit 23/CAG/0038 Exemption by the Secretary of State following advice from the CAG
National Bowel Cancer Audit (NBOCA) Clinical audit ECC 1-03(d)/2012 (activity under ‘s251’ support closed 31 December 2023) Exemption by the Secretary of State following advice from the CAG
National Confidential Inquiry into Suicide and Safety in Mental Health - NCISH National Confidential Inquiry 23/CAG/0024 (previously PIAG 4-08 (d)/2003 Exemption by the secretary of State following advice from the CAG
National Drug and Alcohol Treatment Monitoring System (NDTMS) National Drug and Alcohol Treatment 21/CAG/0136 Exemption by the Secretary of State following advice from the CAG
National Emergency Laparotomy Audit (NELA) Clinical audit Clinical audit Exemption by the Secretary of State following advice from the CAG
National Hip Fracture Database Clinical audit

25/CAG/0032

(previously CAG 8-03(PR11) 2013)
Exemption by the Secretary of State following advice from the CAG
National Joint Registry National Registry 18/CAG/0146 Exemption by the Secretary of State following advice from the CAG
National Maternity and Perinatal Audit (NMPA) Clinical audit 16/CAG/0058 Exemption by the Secretary of State following advice from the CAG
National Neonatal Audit Programme (NNAP) Clinical audit 21/CAG/0007 Exemption by the Secretary of State following advice from the CAG
National Oesophago-Gastric Cancer Audit (NOGCA) Clinical audit ECC 1-06(c)/2011 (activity under ‘s251’ support closed 31 December 2023) Exemption by the Secretary of State following advice from the CAG
National Paediatric Diabetes Audit (NPDA) Clinical audit 24/CAG/0146 (previously ECC 2-03(c)/2012) Exemption by the Secretary of State following advice from the CAG
National Perinatal Mortality Review Tool - PMRT National Registry 24/CAG/0157 (previously 17/CAG/0150) Exemption by the Secretary of State following advice from the CAG
National Surveys - please note these applications are submitted to CAG and the relevant references are regularly updated National surveys

Adult Inpatient Survey
23/CAG/0165 (activity under ‘s251’ support closed)
24/CAG/0141

Urgent and Emergency Care Survey
22/CAG/0107 (activity under ‘s251’ support closed)
23/CAG/0179

Maternity Survey
24/CAG/0038 (activity under ‘s251’ support closed)
25/CAG/0012

Community Mental Health Survey
24/CAG/0088 (activity under ‘s251’ support closed)
25/CAG/0067

National Cancer Patient Experience Survey
22/CAG/0100
25/CAG/0070
25/CAG/0080

Children and Young People’s Patient Experience Survey
20/CAG/0145 (activity under ‘s251’ support closed)
24/CAG/0054

Under 16 Cancer patient experience survey
20/CAG/0111(activity under ‘s251’ support closed)
23/CAG/0164

National Diabetes Experience Survey
23/CAG/0166

Integrated Care Experience Survey
23/CAG/0131
25/CAG/0008

Exemption following policy consideration
National Vascular Registry (NVR) National Registry CAG 5-07(f)/2013 Exemption by the Secretary of State following advice from the CAG
Neonatal Care Experience Survey National survey 25/CAG/0115 Exempted by Minister Smyth following policy consideration
NHSBT Potential Donor Audit Clinical audit PIAG 4-05 (e) 2008 Temporary disapplication of NDOO while policy postponement sought
NHS England National Institute for Cardiovascular Outcomes Research (NICOR) National Clinical Databases (NNCD) - The new National Cardiac Audit Programme (NCAP) Clinical audit 24/CAG/0032 (previously 22/CAG/0014
17/CAG/0071
22/CAG/0016
17/CAG/0152
22/CAG/0117
Exemption by the Secretary of State following advice from the Confidentiality Advisory Group (CAG)
Out of Hospital Cardiac Arrest Outcomes (OHCAO) Registry National Registry 22/CAG/0087 Exemption by the Secretary of State following advice from the CAG
The Oxford Monitoring System for Attempted Suicide (OMSAS) Clinical audit 24/CAG/0001 (previously PIAG-2-07(b)/2004) Exemption by the Secretary of State following advice from the CAG
Paediatric Intensive Care Audit Network Database (PICANet) Clinical audit 21/CAG/0090 Exemption by the Secretary of State following advice from the CAG
Sentinel Stroke National Audit Programme National Registry National Registry 23/CAG/0031 (previously ECC 6-02(FT3)/2012) Exemption by the Secretary of State following advice from the CAG
Somerset Liver Improvement Programme (risk stratification using hepatoSIGHT) Other 24/CAG/0074 Exemption by the Secretary of State following advice from the CAG
UK Renal Registry (UKRR) (non-research) Clinical audit 16/CAG/0153 Exemption by the Secretary of State following advice from the CAG

Last edited: 1 September 2025 10:17 am