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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Hypertension diagnosis codes SNOMED CT
Taken from the `HYP_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/).
Hypertension resolved codes SNOMED CT
Taken from the `HYPRES_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/).
Hypopituitary disorder codes SNOMED CT
Taken from the `HYPOPITUITARY_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/).
Hypothyroidism diagnosis codes SNOMED CT
Taken from the `THY_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/).
Hypothyroidism exception codes SNOMED CT
Taken from the `THYEXC_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/).
Hypothyroidism treatment codes dm+d
Taken from the `THYR_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
IBS Read V2
Published by QMUL Multimorbidity
ICD-10 Chapter I ICD-10
Published by OpenSAFELY
ICD-10 Chapter II ICD-10
Published by OpenSAFELY
ICD-10 Chapter III ICD-10
Published by OpenSAFELY
ICD-10 Chapter IV ICD-10
Published by OpenSAFELY
ICD-10 Chapter IX ICD-10
Published by OpenSAFELY
ICD-10 Chapter V ICD-10
Published by OpenSAFELY
ICD-10 Chapter VI ICD-10
Published by OpenSAFELY
ICD-10 Chapter VII ICD-10
Published by OpenSAFELY