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 we have used in OpenSAFELY research to date.

All codelists


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LABA + ICS Combination Inhaler dm+d

A list of combination inhalers including a long acting beta agonist (LABA) and an inhaled corticosteroid (ICS) preparations at VMP and AMP from the NHS Dictionary of Medicines and Devices.

Published by OpenSAFELY
LABA + LAMA + ICS Combination Inhaler dm+d

A list of combination inhalers including a long acting beta agonist (LABA) and long acting antimuscarininc (LAMA) and inhaled corticosteroids (ICS) preparations at VMP and AMP from the NHS Dictionary of Medicines and Devices.

Published by OpenSAFELY
LABA + LAMA Combination Inhaler dm+d

A list of combination inhalers including a long acting beta agonist (LABA) and long acting antimuscarininc (LAMA) preparations at VMP and AMP from the NHS Dictionary of Medicines and Devices.

Published by OpenSAFELY
Learning disabilities CTV3

The following codes are used to indicate learning disability.

Published by OpenSAFELY
Learning disability (LD) codes SNOMED CT

Taken from the LD_COD refset published by NHSD.

We are aware that some of the individual codes contained in this codelist are offensive and upsetting. Although these terms are outdated and no longer in routine use, it is necessary to include them in codelists due to the historic nature of the data that is being analysed. Excluding these terms would reduce the completeness of the data and may mean that some people with a learning disability are not included in the analyses.

Learning disability (LD) exception codes SNOMED CT

Taken from the LDEXC_COD refset published by NHSD.

Learning disability (LD) health check codes SNOMED CT

Taken from the HLTHCHK_COD refset published by NHSD.

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