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.

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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
Angina diagnosis codes SNOMED CT

Taken from the ANGINA_COD refset published by NHSD.

Angina referral to specialist codes SNOMED CT

Taken from the ANGINAREF_COD refset published by NHSD.

Angiotensin II Receptor Blockers (ARBs) dm+d

The following notebook contains medicines that are angiotensin II receptor antagonists from the RAS section of BNF codes. All combination products have been excluded and the list has been cross refereneced with the actual BNF for "Other drugs in the class ace inhibitors".

Published by OpenSAFELY
Angiotensin II receptor blockers (ARB) contraindications (expiring) SNOMED CT

Taken from the TXAII_COD refset published by NHSD.

Angiotensin II receptor blockers (ARB) contraindications (persisting) SNOMED CT

Taken from the XAII_COD refset published by NHSD.

Angiotensin-converting enzyme (ACE) inhibitor contraindications (expiring) SNOMED CT

Taken from the TXACE_COD refset published by NHSD.

Angiotensin-converting enzyme (ACE) inhibitor contraindications (persisting) SNOMED CT

Taken from the XACE_COD refset published by NHSD.

Ankylosing Spondylitis CTV3
Published by OpenSAFELY
Annual review SNOMED CT

-

Published by Ardens
Anticoagulant Rx dm+d

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

© PRIMIS - the University of Nottingham 2021

Published by PINCER
Anticoagulant allergy and adverse reaction SNOMED CT

Taken from the ORANTICOAGADVERS_COD refset published by NHSD.

Antidepressants SNOMED CT

Prescription codes for antidepressants.