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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Leflunomide BNF
Published by OpenSAFELY
Leflunomide dmd dm+d

dm+d codelist for Leflunomide

Published by OpenSAFELY
Left foot amputation codes SNOMED CT

Taken from the AMPL_COD refset published by NHSD.

Leukotriene receptor antagonist medication dm+d

A list of leukotriene receptor antagonists (LTRA) preparations at VMP and AMP from the NHS Dictionary of Medicines and Devices.

Published by OpenSAFELY
Levetiracetam tablets BNF

Used by the following OpenPrescribing measures:

Published by OpenPrescribing
Levomepromazine - Subcutaneous dm+d

This codelist contains all subcutaneous formulations of levomepromazine

Published by OpenSAFELY
Levothyroxine dm+d

The codelist contains all oral formulations of levothyroxine.

Published by OpenSAFELY
Lewy body (Dementia) (SNOMED) V1 SNOMED CT
Lewy body dementia codes SNOMED CT

Taken from the DEMLEWY_COD refset published by NHSD.

Lifestyle SNOMED CT

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Published by Ardens
Lifestyle advice codes SNOMED CT

Taken from the LSADV_COD refset published by NHSD.

Lifestyle intervention and advice codes SNOMED CT

Taken from the LIFESTYLEINT_COD refset published by NHSD.

Lipid therapy contraindicated codes SNOMED CT

Taken from the LIPIDTHERCON_COD refset published by NHSD.

Lipid therapy declined codes SNOMED CT

Taken from the LIPIDTHERDEC_COD refset published by NHSD.

Lipid therapy not indicated codes SNOMED CT

Taken from the LIPIDTHERNIND_COD refset published by NHSD.