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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Transplant - conjunctiva (SPL-HES) (OPCS4) OPCS-4
Taken from the HES transplant tab of the Population Risk COVID-19 Treatments code list v1.3, published by NHS Digital, 2021-12-13.
Published by NHS Digital
Transplant - conjunctiva Y codes (SPL-HES) (OPCS4) OPCS-4
Taken from the HES transplant tab of the Population Risk COVID-19 Treatments code list v1.3, published by NHS Digital, 2021-12-13.
Published by NHS Digital
Transplant - ileum_1 Y codes (SPL-HES) (OPCS4) OPCS-4
Taken from the HES transplant tab of the Population Risk COVID-19 Treatments code list v1.3, published by NHS Digital, 2021-12-13.
Published by NHS Digital
Transplant - ileum_1 (SPL-HES) (OPCS4) OPCS-4
Taken from the transplants HES tab of the Population Risk COVID-19 Treatments code list v1.3, published by NHS Digital, 2021-12-13.
Published by NHS Digital
Transplant - ileum_2 Y codes (SPL-HES) (OPCS4) OPCS-4
Taken from the HES transplant tab of the Population Risk COVID-19 Treatments code list v1.3, published by NHS Digital, 2021-12-13.
Published by NHS Digital
Transplant - ileum_2 (SPL-HES) (OPCS4) OPCS-4
Taken from the transplants HES tab of the Population Risk COVID-19 Treatments code list v1.3, published by NHS Digital, 2021-12-13.
Published by NHS Digital
Transplant - replacement of organ (SPL-HES) (OPCS4) OPCS-4
Taken from the HES transplant tab of the Population Risk COVID-19 Treatments code list v1.3, published by NHS Digital, 2021-12-13.
Published by NHS Digital
Transplant - stomach (SPL-HES) (OPCS4) OPCS-4
Taken from the HES transplant tab of the Population Risk COVID-19 Treatments code list v1.3, published by NHS Digital, 2021-12-13.
Published by NHS Digital
Transplant - thymus gland (SPL-HES) (OPCS4) OPCS-4
Taken from the HES transplant tab of the Population Risk COVID-19 Treatments code list v1.3, published by NHS Digital, 2021-12-13.
Published by NHS Digital
Transplant codes with associated risk of immunosuppression SNOMED CT
Taken from the `C19TRANSP_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/).
Transplant codes with associated risk of immunosuppression (obsolete) SNOMED CT
Taken from the `C19TRANSP_COD` refset published by NHSD.
Transverse Myelitis CTV3
Codes that indicate an episode of transverse myelitis
Published by OpenSAFELY
Tricyclic and related antidepressants DM&D dm+d
This code list contains codes from the NHS dictionary of medicines and devices (dm+d) that are known as Tricyclic Antidepressants. All formulations of these medicines have been included, except for those that are presented in a combined formulation with other drugs. All tricyclic antidepressants are licensed for the treatment of depression and some of them are licensed for the treatment of anxiety disorders. Certain tricyclic antidepressants are licensed for unusual psychiatric conditions e.g. …
Published by OpenSAFELY
Triglyceride test result codes SNOMED CT
Taken from the `TRIGLYC_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/).
Triglycerides SNOMED CT
...
Published by Ardens