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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National diabetes audit (NDA) retinal screening codes SNOMED CT

Taken from the RETSCREN_COD refset published by NHSD.

National diabetes audit (NDA) smoking habit codes SNOMED CT

Taken from the NDASMOK_COD refset published by NHSD.

Nebivolol 2.5mg BNF

Used by the following OpenPrescribing measures:

Published by OpenPrescribing
Nebulised asthma and COPD medications dm+d

A list of nebulised medications preparations at VMP and AMP from the NHS Dictionary of Medicines and Devices that are used in asthma and COPD.

Published by OpenSAFELY
Neurological disorders SNOMED CT
Neurological disorders (not including epilepsy) CTV3
New York Heart Association Classification of heart failure codes SNOMED CT

Taken from the NYHA_COD refset published by NHSD.

Newer aminosalicylates for IBD BNF
Published by OpenSAFELY
Newer aminosalicylates for IBD - dmd dm+d

dmd codelist for newer aminosalicylates for IBD; balsalazide, mesalazine, olsalazine.

Published by OpenSAFELY
Nimodipine BNF

Used by the following OpenPrescribing measures:

Published by OpenPrescribing
Nirmatrelvir drug interactions (consider risks and benefits) BNF

Drugs with a recommendation of 'consider risks and benefits' in the Specialist Pharmacy Services publication on interactions with the drug Nirmatrelvir, published 2022-02-02.

Published by OpenSAFELY
No longer a carer codes SNOMED CT

Taken from the NOTCARER_COD field in SARS-CoV2 COVID19 Vaccination Uptake Reporting Codes 20_21 v1, published by PRIMIS.

© PRIMIS - the University of Nottingham 2021

No longer a carer codes SNOMED CT

Taken from the NOTCARER_COD field in SARS-CoV2 COVID19 Vaccination Uptake Reporting Codes 20_21 v1, published by PRIMIS.

© PRIMIS - the University of Nottingham 2021

No longer a carer codes SNOMED CT

Taken from the NOTACARER_COD refset published by NHSD.

No permanent address residency codes SNOMED CT

Taken from the RESNONE_COD refset published by NHSD.