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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Allograft stem cell transplant codes SNOMED CT

Taken from the ALLOTRANSP_COD refset published by NHSD.

Alopecia areata codes SNOMED CT

Taken from the ALOPECIAAREATA_COD refset published by NHSD.

Alpha-Adrenoceptor Blocking Drugs dm+d

This code list contains NHS dm+d codes for alpha-adrenoceptor blocking Drugs in the cardiovascular chapter of BNF codes.

Published by OpenSAFELY
Alzheimer's Disease (ICD10) V1.3 ICD-10
Alzheimer's Disease (SNOMED-CT) V1.3 SNOMED CT
Alzheimer’s disease dementia codes SNOMED CT

Taken from the DEMALZ_COD refset published by NHSD.

Ambulatory Continuous Glucose Monitoring testing and devices codes SNOMED CT

Taken from the CLINICALCGM_COD refset published by NHSD.

Ambulatory blood pressure codes SNOMED CT

Taken from the ABPM_COD refset published by NHSD.

Aminoglycosides (antibacterials) dm+d

Aminoglycoside codelist extracted from antibacterials codelist (https://www.opencodelists.org/codelist/opensafely/antibacterials/27089eaa/)

Published by UKHSA
Amiodarone Rx dm+d

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

© PRIMIS - the University of Nottingham 2021

Published by PINCER
Amoxicillin (oral) dm+d

This codelist contains amoxicillin formulations which may be given orally.

Published by OpenSAFELY
Amputation CTV3

Codelist for defining the presence of a history of amputation

Published by OpenSAFELY
Amputation OPCS-4 procedure codes OPCS-4

OPCS-4 codes to identify amputations following orthopaedic surgery

Published by OpenSAFELY
Amputation of lower limb CTV3

This captures amputation of the lower limb for the risk prediction project. Other studies requiring amputation codes should refer to the full codelist, under 'Amputation'.

Published by OpenSAFELY
Amyloidosis codes SNOMED CT

Taken from the AMYLOID_COD refset published by NHSD.