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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Consent to share demographic information for retinal screening withheld codes SNOMED CT
Taken from the `DRSCONWTHLD_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/).
Contraceptive counselling codes for people with epilepsy SNOMED CT
Taken from the `EPILCC_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/).
Contraceptive counselling for people with epilepsy inappropriate or declined exception codes SNOMED CT
Taken from the `EPILCCEXC_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/).
Coronary heart disease (CHD) codes SNOMED CT
Taken from the `CHD_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/).
Coronary heart disease (CHD) exception codes SNOMED CT
Taken from the `CHDEXC_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/).
Cough 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
Creatinine clearance tests SNOMED CT
Includes all codes related to creatinine clearance testing
Published by UK Renal Registry
Creatinine clearance tests (level) SNOMED CT
Subset of https://www.opencodelists.org/codelist/ukrr/creatinine-clearance-tests/5e84276a/, where all codes with attached numeric values in TPP are selected
Published by UK Renal Registry
Creatinine level SNOMED CT
...
Published by Ardens
Creatinine tests SNOMED CT
Includes all codes related to plasma creatinine testing
Published by UK Renal Registry
Creatinine tests (level) SNOMED CT
Subset of https://www.opencodelists.org/codelist/ukrr/creatinine-tests/57f94ea6/, where all codes with attached numeric values in TPP are selected
Published by UK Renal Registry
Crohn's Disease CTV3
Published by OpenSAFELY
Crohns disease codes SNOMED CT
Taken from the `CROHNS_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/).
Cryoglobulinaemic vasculitis codes SNOMED CT
Taken from the `CRYOGLOBVASC_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/).
Current Asthma CTV3
Codes indicating current, adult asthma.
Published by OpenSAFELY