OpenCodelists

Welcome to OpenCodelists, created by OpenSAFELY for creating and sharing codelists.

Anybody can also use this tool to create and share codelists. To get started, take a look at the documentation or watch the videos.

If you would like to publish codelists on behalf of an organisation, please get in touch.

Below, you'll find all the codelists that have been used in OpenSAFELY research to date.

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Breast cancer screening codes SNOMED CT
Taken from the `BRCANSCR_COD` refset published by NHSD. Contains public sector information licensed under the UK Open Government Licence v3.0 (https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/).
Breathlessness SNOMED CT
Asthma exacerbations codes derived by Hannah Whittaker (Imperial College London) and reviewed by Jenni Quint (Imperial College London) for CONVALESENCE Long Covid EHR project
Breathlessness SNOMED CT
Published by REDUCEHF
Breathlessness codes SNOMED CT
Taken from the `BREATHLESS_COD` refset published by NHSD. Contains public sector information licensed under the UK Open Government Licence v3.0 (https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/).
Brief intervention for excessive alcohol consumption codes SNOMED CT
Taken from the `ALCBRINT_COD` refset published by NHSD. Contains public sector information licensed under the UK Open Government Licence v3.0 (https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/).
Brief intervention for excessive alcohol consumption declined codes SNOMED CT
Taken from the `ALCBRINTDEC_COD` refset published by NHSD. Contains public sector information licensed under the UK Open Government Licence v3.0 (https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/).
British ethnicities SNOMED CT
A codelist to identify British nationalities.
Published by OpenSAFELY
Bronchial challenge test codes SNOMED CT
Taken from the `BRONCCHALENG_COD` refset published by NHSD. Contains public sector information licensed under the UK Open Government Licence v3.0 (https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/).
Bullous impetigo administration codes for Pharmacy First SNOMED CT
Codes that a GP could use to record Bullous Impetigo
These codes are intended to be used to exclude patients with Bullous impetigo, however we believe that the coding isn't specific enough to only exclude those with BI, therefore we will use for sensitivity analysis.
Burden of neurodegenerative diseases: Alzheimer's dementia SNOMED SNOMED CT
The SNOMED code lists were created by compiling codes from the Quality and Outcomes Framework lists (e.g. QOF Dementia Cluster) and the NHS Digital Primary Care Domain Refsets. (e.g. for Parkinson's etc).
Burden of neurodegenerative diseases: Alzheimer's disease ICD10 ICD-10
The ICD-10 code lists were created by defining the disease of interest by clinician, then searching relevant codes in the ICD-10 code browser.
Prevalent cases of neurodegenerative disease with an established diagnosis.
Burden of neurodegenerative diseases: Corticobasal degeneration SNOMED SNOMED CT
Prevalent cases of neurodegenerative disease with an established diagnosis.
Burden of neurodegenerative diseases: Creutzfeldt-Jakob disease ICD10 ICD-10
Prevalent cases of neurodegenerative disease with an established diagnosis.
The ICD-10 code lists were created by defining the disease of interest by clinician, then searching relevant codes in the ICD-10 code browser.
Burden of neurodegenerative diseases: Creutzfeldt-Jakob disease SNOMED SNOMED CT
Prevalent cases of neurodegenerative disease with an established diagnosis.
Burden of neurodegenerative diseases: Frontotemporal dementia ICD10 ICD-10
Prevalent cases of neurodegenerative disease with an established diagnosis.