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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Lower respiratory tract infection - secondary care ICD-10
Identifies lower respiratory tract infections in hospital admissions.
Published by OpenSAFELY
Lung Cancer CTV3
Codes indicating a diagnosis of lung cancer
Published by OpenSAFELY
Lung Cancer (SNOMED) SNOMED CT
Automatically-generated equivalent of [Lung Cancer](/codelist/opensafely/lung-cancer/)
Published by OpenSAFELY
Lung cancer codes SNOMED CT
Taken from the `LUNGCAN_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/).
Lymecycline (tetracyclines) dm+d
Lymecycline codelist extracted from tetracyclines codelist
Published by UKHSA
Lymphoproliferative disorders SNOMED CT
Taken from the `LYMPHOPROLDIS_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/).
Lyrica capsules BNF
Used by the following [OpenPrescribing](https://openprescribing.net) measures:

* [Pregabalin capsules prescribed as Lyrica](https://openprescribing.net/measure/lyrica/)
Published by OpenPrescribing
MMR first dose vaccination codes SNOMED CT
Taken from the `MMRVAC1_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/).
MMR second dose vaccination codes SNOMED CT
Taken from the `MMRVAC2_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/).
MMR vaccination contraindication codes SNOMED CT
Taken from the `MMRCON_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/).
MMR vaccination given by other healthcare provider codes SNOMED CT
Taken from the `MMROHPVAC_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/).
MMR vaccine codes dm+d
Taken from the `MMRVACDRUG_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
MMRV first dose vaccination codes SNOMED CT
Taken from the `MMRVVAC1_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/).
MMRV second dose vaccination codes SNOMED CT
Taken from the `MMRVVAC2_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/).
MMRV vaccine codes SNOMED CT
Taken from the `MMRVVACDRUG_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/).