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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Dual energy X-ray absorptiometry (DXA) scan result with a T score value codes (obsolete) SNOMED CT
Taken from the `DXA2_COD` refset published by NHSD.
Dulaglutide dm+d
This codelist aims to identify the prescribing of dulaglutide.
Published by OpenSAFELY
Dutch Lipid Clinic Network Codes SNOMED CT
Taken from the `DULIPID_COD` refset published by NHSD. Contains public sector information licensed under the UK Open Government Licence v3.0 (https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/).
Dyslipidemia SNOMED CT
This codelist aims to identify patients who have dyslipidemia.
Published by OpenSAFELY
Dyspepsia ICD10 ICD-10
Dyspepsia ICD10 codes
Dyspepsia SNOMED SNOMED CT
Dyspepsia SNOMED codes
Dysphagia diagnosis codes SNOMED CT
Taken from the `DYSPHAG_COD` refset published by NHSD. Contains public sector information licensed under the UK Open Government Licence v3.0 (https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/).
ESR SNOMED CT
...
Published by Ardens
Eating disorder codes SNOMED CT
Taken from the `EATDISORDER_COD` refset published by NHSD. Contains public sector information licensed under the UK Open Government Licence v3.0 (https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/).
Echocardiogram (Echo) codes SNOMED CT
Taken from the `ECOG_COD` refset published by NHSD. Contains public sector information licensed under the UK Open Government Licence v3.0 (https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/).
Echocardiography referral SNOMED CT
Published by REDUCEHF
Echocardiography result SNOMED CT
Echo 'result' means that an echo has been completed and so I am including procedure codes. I am assuming that all completed echos are reported to to primary care.
Published by REDUCEHF
Echocardiography service unavailable codes SNOMED CT
Taken from the `ECPCASU_COD` refset published by NHSD. Contains public sector information licensed under the UK Open Government Licence v3.0 (https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/).
Edoxaban DM+D dm+d
This is a codelist that identifies all preparations from the NHS dictionary of medicines and devices for edoxaban, one of the Directing Oral Anticoagulants which are often referred to as DOACs.
Published by OpenSAFELY
Electrocardiogram (ECG) indicating atrial fibrillation or flutter codes SNOMED CT
Taken from the `ECGAF_COD` refset published by NHSD. Contains public sector information licensed under the UK Open Government Licence v3.0 (https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/).