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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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
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
Ankylosing Spondylitis CTV3
Published by OpenSAFELY
Antidiabetic drugs dm+d

This codelists contains all the NHS dictionary of medicines and devices codes for "antidiabetic drugs" as specified by the BNF coding system. This does not include insulin.

Published by OpenSAFELY
Antihistamines (oral) dm+d

This codelist contains NHS Dictionary of Medicines and Devices (dm+d) for oral antihistamines

Published by OpenSAFELY
Antiphospholipid syndrome CTV3

Codes that indicate incident or history of antiphospholipid syndrome

Published by OpenSAFELY
Antiplatelets dm+d

This codelist contains codes for antiplatelets.

Published by OpenSAFELY
Anxiety Disorders SNOMED CT

Codes that indicate the presence of an anxiety disorder.

Published by OpenSAFELY
Any other ethnicity code SNOMED CT

Taken from the NON_ETH2001_COD field in SARS-CoV2 COVID19 Vaccination Uptake Reporting Codes 20_21 v1, published by PRIMIS.

© PRIMIS - the University of Nottingham 2021

Aplastic Anaemia CTV3

Codes indicating diagnosis of aplastic anaemia

Published by OpenSAFELY
Aplastic Anaemia (SNOMED) SNOMED CT

Automatically-generated equivalent of Aplastic Anaemia

Published by OpenSAFELY
Ascitic drainage SNOMED CT

User Requirements

This codelist aims to identify any ascitic drain procedure or code that indicate that an ascitic drainage procedure has taken place.

Published by OpenSAFELY
Asian or Asian British - Any other Asian background Ethnicity SNOMED CT

Taken from the ETH2001_ASNOTHER_COD field in SARS-CoV2 COVID19 Vaccination Uptake Reporting Codes 20_21 v1, published by PRIMIS.

© PRIMIS - the University of Nottingham 2021

Asian or Asian British - Bangladeshi Ethnicity SNOMED CT

Taken from the ETH2001_ASNBANG_COD field in SARS-CoV2 COVID19 Vaccination Uptake Reporting Codes 20_21 v1, published by PRIMIS.

© PRIMIS - the University of Nottingham 2021