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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Lithium prescription codes dm+d
Taken from the `LIT_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
Live herpes zoster vaccination codes SNOMED CT
Taken from the `HZLIVE_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/).
Liver Cirrhosis SNOMED CT
Taken from the Liver Cirrhosis tab of the Population Risk COVID-19 Treatments code list v1.3, published by NHS Digital, 2021-12-13.
Published by NHS Digital
Liver Cirrhosis (ICD-10) ICD-10
Taken from the Liver Cirrhosis tab of the Population Risk COVID-19 Treatments code list v1.3, published by NHS Digital, 2021-12-13.
Published by NHS Digital
Liver Function Codes SNOMED CT
Taken from the `LFT_COD` field in the National PINCER Data Specification, published by PRIMIS.

© PRIMIS - the University of Nottingham 2021
Published by PINCER
Liver cirrhosis diagnoses SNOMED CT
Taken from the `CIRRHOSIS_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/).
Liver function test (LFT) SNOMED CT
...
Published by Ardens
Liver function test results SNOMED CT
Taken from the `LFT_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/).
Liver sclerosis diagnosis codes SNOMED CT
Taken from the `LIVSCLEROSIS_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/).
Living in nursing home codes SNOMED CT
Taken from the `NURSHOME_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/).
Living in residential home codes SNOMED CT
Taken from the `RESIDHOME_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/).
Living temporarily in care home codes SNOMED CT
Taken from the `TEMPCARHOME_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/).
Living temporarily in care home codes (obsolete) SNOMED CT
Taken from the `TEMPCARHOME_COD` refset published by NHSD.
Lixisenatide dm+d
This codelist aims to identify the prescribing of lixisenatide, including in combination with insulin.
Published by OpenSAFELY
Lodoxamide dm+d
Lodoxamide