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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Haemoglobin SNOMED CT
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Published by Ardens
Haemoglobin test results codes SNOMED CT
Taken from the `HB_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/).
Haemoglobin test results codes (obsolete) SNOMED CT
Taken from the `HB_COD` refset published by NHSD.
Haemophilus influenzae type B Meningitis C (HibMenC) vaccination codes SNOMED CT
Taken from the `HIBMENC_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/).
Haemophilus type b (Hib) Meningitis C vaccines dm+d
Taken from the `HIBMENCDRUG_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
Haemorrhagic stroke codes SNOMED CT
Taken from the `HSTRK_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/).
Haloperidol BNF
This code list includes all formulations of haloperidol, except for long acting depot formulations of haloperidol decanoate. Haloperidol is a first generation antipsychotic and a potent dopamine antagonist. It is licensed for a wide range of indications including the treatment of psychotic disorders, management of behavioral and psychiatric symptoms of dementia, acute delirium, chorea and tics, nausea and vomiting in post operative or palliative care and restlessness and confusion in palliati…
Published by OpenSAFELY
Haloperidol subcutaneous dm+d dm+d
User Requirements This codelist aims to identify haloperidol being used in the context of palliative care at the end of life. Medications are based on (https://apmonline.org/wp-content/uploads/2020/04/priority-meds-for-end-of-life-care-290420-final-2.pdf)

This list covers formulations that could be given subcutaneously.
Published by OpenSAFELY
HbA1c Diabetes Control and Complications Trial (DCCT) level codes SNOMED CT
Taken from the `DCCTHBA1C_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/).
HbA1c level SNOMED CT
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Published by Ardens
Health action plan provided codes SNOMED CT
Taken from the `HLTHAP_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/).
Healthcare worker codes SNOMED CT
Taken from the `HCW_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/).
Heart Failure CTV3
This indicates a diagnosis of heart failure (both left and right sided).
Published by OpenSAFELY
Heart Failure SNOMED CT
Taken from the `HF_COD` field in the National PINCER Data Specification, published by PRIMIS.

© PRIMIS - the University of Nottingham 2021
Published by PINCER
Heart failure (A&E) SNOMED CT
This is a codelist to identify new diagnoses of heart failure in A&E.

There are only a few permitted emergency department codes, but these form trees with hundreds of others as children - I have exluded these as 'not permitted'.
Published by REDUCEHF