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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Symptoms: weight loss and reduced appetite SNOMED CT
Code list aiming to identify individuals consulting complaining of weight loss or reduced appetite.
Published by OpenSAFELY
Syncope or dizziness codes SNOMED CT
Taken from the `SYNCDIZZY_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/).
Synovitis acne pustulosis hyperostosis osteomyelitis syndrome (SAPHO syndrome) codes SNOMED CT
Taken from the `SAPHO_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/).
Systemic Lupus Erythematosus (SLE) CTV3
These codes indicate a diagnosis of systemic lupus erythematosus (SLE)
Published by OpenSAFELY
Systemic lupus codes SNOMED CT
Taken from the `SLUPUS_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/).
Systemic lupus codes (obsolete) SNOMED CT
Taken from the `SLUPUS_COD` refset published by NHSD.
Systolic blood pressure QoF SNOMED CT
A SNOMED CT codelist containing codes relating to systolic blood pressure (SBP) measurement.
Published by OpenSAFELY
Systolic blood pressure recording codes SNOMED CT
Taken from the `SYSBP_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/).
T-cell co-stimulation modulators systemic medication codes dm+d
Taken from the `TCELLDRUG_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
Tacrolimus systemic medication codes dm+d
Taken from the `TACROLIMUSDRUG_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
Takayasu’s arteritis codes SNOMED CT
Taken from the `TAKAYASUART_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/).
Tamoxifen BNF
Used by the following [OpenPrescribing](https://openprescribing.net) measures:

* [Prescribing of tamoxifen](https://openprescribing.net/measure/tamoxifen/)
Published by OpenPrescribing
Targeted proactive care needs assessment codes SNOMED CT
Taken from the `TPCNASS_COD` refset published by NHSD.
Temporary Immunosuppression CTV3
Codes indicating a diagnosis of a temporary immunosuppression.
Published by OpenSAFELY
Temporary Immunosuppression (SNOMED) SNOMED CT
Automatically-generated equivalent of [Temporary Immunosuppression](/codelist/opensafely/temporary-immunosuppression/)
Published by OpenSAFELY