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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Thyroid function test codes SNOMED CT
Taken from the `TFT_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/).
Thyroid stimulating hormone (TSH) testing SNOMED CT
This codelist was developed to identify patients receiving a thyroid-stimulating hormone (TSH) test
Published by OpenSAFELY
Thyroid stimulating hormone (TSH) tests (numerical value) SNOMED CT
This codelist was developed to identify patients receiving a thyroid-stimulating hormone (TSH) test, with a numerical value.
Published by OpenSAFELY
Ticagrelor contraindications (expiring) codes SNOMED CT
Taken from the `TXTICA_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/).
Ticagrelor contraindications (persisting) codes SNOMED CT
Taken from the `XTICA_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/).
Ticagrelor drug codes dm+d
Taken from the `TICA_COD` NHS drug refset. Contains public sector information licensed under the UK Open Government Licence v3.0 (https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/).
Published by NHS Drug Refsets
Tirzepatide (dmd) dm+d
This codelist aims to identify the prescribing of tirzepatide.
Published by OpenSAFELY
Tirzepatide contraindications (persisting) codes SNOMED CT
Taken from the `XTIRZ_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/).
Tirzepatide drug codes dm+d
Taken from the `TIRZDRUG_COD` NHS drug refset. Contains public sector information licensed under the UK Open Government Licence v3.0 (https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/).
Published by NHS Drug Refsets
Toothpaste BNF
Used by the following [OpenPrescribing](https://openprescribing.net) measures:

* [Toothpaste Prescribing](https://openprescribing.net/measure/toothpaste/)
Published by OpenPrescribing
Total IgE level codes SNOMED CT
Taken from the `IGE_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/).
Total cholesterol codes SNOMED CT
Taken from the `CHOL_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/).
Total cholesterol codes with a value SNOMED CT
Taken from the `CHOL2_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/).
Total cholesterol high-density lipoprotein (HDL) codes SNOMED CT
Taken from the `TCHOLHDL_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/).
Total colectomy procedure codes SNOMED CT
Taken from the `TOTCOLECT_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/).