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.

All codelists


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Sjogren’s Syndrome codes SNOMED CT
Taken from the `SJOGRENS_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/).
Skin prick test for house dust mite codes SNOMED CT
Taken from the `SKINTEST_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/).
Smoker codes SNOMED CT
Taken from the `LSMOK_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/).
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](/codelist/opensafely/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](/codelist/opensafely/smoking-unclear/)
Published by OpenSAFELY
Smoking Intervention and Advice SNOMED CT
Taken from the `SMOKINGINT_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/).
Smoking exception codes SNOMED CT
Taken from the `SMOKEXC_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/).
Smoking habit codes SNOMED CT
Taken from the `SMOK_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/).
Smoking pharmacotherapy codes SNOMED CT
Taken from the `PHARM_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/).
Smoking pharmacotherapy codes (obsolete) SNOMED CT
Taken from the `PHARM_COD` refset published by NHSD.
Social prescribing case closed codes SNOMED CT
Taken from the `SOCPRESCC_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/).
Social prescribing referral codes SNOMED CT
Taken from the `SOCPRESREF_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/).
Sodium (Na) SNOMED CT
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Published by Ardens