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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Codes required for COVID-19 pandemic planning and research to be returned from the last 2 years SNOMED CT
Taken from the `GDPPR2YR_COD` refset published by NHSD.
Codes required for COVID-19 pandemic planning and research to be returned with no time limit SNOMED CT
Taken from the `GDPPR_COD` refset published by NHSD.
Codes that describe the patients alcohol usage SNOMED CT
Taken from the `ALCUSAGE_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/).
Codes that indicate complete removal of the cervix SNOMED CT
Taken from the `NOCX_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/).
Codes that indicate operations on the uterus that result in inability to conceive SNOMED CT
Taken from the `HYST2_COD` refset published by NHSD.
Coeliac disease codes SNOMED CT
Taken from the `COELIAC_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/).
Colorectal cancer screening codes SNOMED CT
Taken from the `COLCANSCR_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/).
Combination blood pressure medication dm+d
The following codelist contains products with more than one ingredient for the treatment of blood pressure from the cardiovascular chapter of BNF codes.
Published by OpenSAFELY
Complement disorder codes SNOMED CT
Taken from the `COMPLEMENTDIS_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/).
Comprehensive proactive care needs assessment codes SNOMED CT
Taken from the `CPCNASS_COD` refset published by NHSD.
Congenital absence of left foot codes SNOMED CT
Taken from the `CONABL_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/).
Congenital absence of right foot codes SNOMED CT
Taken from the `CONABR_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/).
Congenital heart disease codes SNOMED CT
Taken from the `C19HEART_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/).
Congenital malformation codes required for EPP SNOMED CT
Taken from the `EPPCONGMALF_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/).
Consent to share demographic information for retinal screening codes SNOMED CT
Taken from the `DRSCON_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/).