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


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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.

Contraceptive counselling codes for people with epilepsy SNOMED CT

Taken from the EPILCC_COD refset published by NHSD.

Contraceptive counselling for people with epilepsy inappropriate or declined exception codes SNOMED CT

Taken from the EPILCCEXC_COD refset published by NHSD.

Coronary heart disease (CHD) codes SNOMED CT

Taken from the CHD_COD refset published by NHSD.

Coronary heart disease (CHD) exception codes SNOMED CT

Taken from the CHDEXC_COD refset published by NHSD.

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
Current Asthma CTV3

Codes indicating current, adult asthma.

Published by OpenSAFELY
Current COPD CTV3

Codelist indicating current COPD.

Published by OpenSAFELY
Current carer codes SNOMED CT

Taken from the ISACARER_COD refset published by NHSD.