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 we have used in OpenSAFELY research to date.

All codelists

Comprehensive proactive care needs assessment codes SNOMED CT: Taken from the CPCNASS_COD refset published by NHSD.

Published by NHSD Primary Care Domain Refsets
Congenital heart disease codes SNOMED CT: Taken from the C19HEART_COD refset published by NHSD.

Published by NHSD Primary Care Domain Refsets
Consent to share demographic information for retinal screening codes SNOMED CT: Taken from the DRSCON_COD refset published by NHSD.

Published by NHSD Primary Care Domain Refsets
Consent to share demographic information for retinal screening withheld codes SNOMED CT: Taken from the DRSCONWTHLD_COD refset published by NHSD.

Published by NHSD Primary Care Domain Refsets
Contraceptive counselling codes for people with epilepsy SNOMED CT: Taken from the EPILCC_COD refset published by NHSD.

Published by NHSD Primary Care Domain Refsets
Contraceptive counselling for people with epilepsy inappropriate or declined exception codes SNOMED CT: Taken from the EPILCCEXC_COD refset published by NHSD.

Published by NHSD Primary Care Domain Refsets
Coronary heart disease (CHD) codes SNOMED CT: Taken from the CHD_COD refset published by NHSD.

Published by NHSD Primary Care Domain Refsets
Coronary heart disease (CHD) exception codes SNOMED CT: Taken from the CHDEXC_COD refset published by NHSD.

Published by NHSD Primary Care Domain Refsets
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

Published by University of Bristol
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