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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Smoker codes SNOMED CT

Taken from the LSMOK_COD refset published by NHSD.

Smoking - Clear CTV3

Smoking codes that are clear in the capturing of smoking status. To be contrasted against Smoking - Unclear where the codes are less certain.

Published by OpenSAFELY
Smoking - Clear (SNOMED) SNOMED CT

Automatically-generated equivalent of Smoking - Clear

Published by OpenSAFELY
Smoking - Unclear CTV3

Codes that indicate smoking status. These codes are less clear than codes captured in Smoking Clear, and there remains some ambiguity about the smoking status.

Published by OpenSAFELY
Smoking - Unclear (SNOMED) SNOMED CT

Automatically-generated equivalent of Smoking - Unclear

Published by OpenSAFELY
Smoking Intervention and Advice SNOMED CT

Taken from the SMOKINGINT_COD refset published by NHSD.

Smoking exception codes SNOMED CT

Taken from the SMOKEXC_COD refset published by NHSD.

Smoking habit codes SNOMED CT

Taken from the SMOK_COD refset published by NHSD.

Social prescribing case closed codes SNOMED CT

Taken from the SOCPRESCC_COD refset published by NHSD.

Social prescribing referral codes SNOMED CT

Taken from the SOCPRESREF_COD refset published by NHSD.

Sodium (Na) SNOMED CT

...

Published by Ardens
Sodium tests SNOMED CT

A SNOMED CT codelist for patients receiving tests for sodium level

Published by OpenSAFELY
Sodium tests (numerical value) SNOMED CT

A SNOMED CT codelist for patients receiving monitoring of sodium levels, with a numerical value.

Published by OpenSAFELY
Solid Organ Transplantation CTV3

Codes indicating solid organ transplantion (receptient only) has been carried out

Published by OpenSAFELY
Solid Organ Transplantation (SNOMED) SNOMED CT

Automatically-generated equivalent of Solid Organ Transplantation

Published by OpenSAFELY