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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Neurological disorders SNOMED CT
Neurological disorders (not including epilepsy) CTV3
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.

Non Type 1 or Type 2 diabetes mellitus codes used in National audit SNOMED CT

Taken from the OTHERDMAUDIT_COD refset published by NHSD.

Non cardio-selective beta-blocker Rx dm+d

Taken from the NSBB_COD field in the National PINCER Data Specification, published by PRIMIS.

© PRIMIS - the University of Nottingham 2021

Published by PINCER
Non-HDL cholesterol SNOMED CT

...

Published by Ardens
Non-asthma and non-COPD chronic respiratory disease codes SNOMED CT

Taken from the C19RESP_COD refset published by NHSD.

Non-diabetic hyperglycaemia codes SNOMED CT

Taken from the NDH_COD refset published by NHSD.

Non-haematological cancer diagnosis codes with or without associated treatment SNOMED CT

Taken from the C19CAN_COD refset published by NHSD.