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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Waist circumference measured SNOMED CT

Taken from the WAIST_COD refset published by NHSD.

Warfarin dm+d

This is a codelist to identify all warfarin preparations in the NHS dictionary of medicines and devices.

Published by OpenSAFELY
Weight (SNOMED) SNOMED CT

Returns body weight measurements.

Published by OpenSAFELY
Weight management intervention codes SNOMED CT

Taken from the WTMGINT_COD refset published by NHSD.

Weight measured SNOMED CT

Taken from the NDAWEIGHT_COD refset published by NHSD.

White - Any other White background Ethnicity SNOMED CT

Taken from the ETH2001_WHIOTHER_COD field in SARS-CoV2 COVID19 Vaccination Uptake Reporting Codes 20_21 v1, published by PRIMIS.

© PRIMIS - the University of Nottingham 2021

White - Any other White background Ethnicity SNOMED CT

Taken from the ETH2001_WHIOTHER_COD field in SARS-CoV2 COVID19 Vaccination Uptake Reporting Codes 20_21 v1, published by PRIMIS.

© PRIMIS - the University of Nottingham 2021

White Any other White background ethnicity group codes (NHS Digital 2016 grouping) SNOMED CT

Taken from the ETH2016WO_COD refset published by NHSD.

White British Ethnicity SNOMED CT

Taken from the ETH2001_WHIBRIT_COD field in SARS-CoV2 COVID19 Vaccination Uptake Reporting Codes 20_21 v1, published by PRIMIS.

© PRIMIS - the University of Nottingham 2021

White British Ethnicity SNOMED CT

Taken from the ETH2001_WHIBRIT_COD field in SARS-CoV2 COVID19 Vaccination Uptake Reporting Codes 20_21 v1, published by PRIMIS.

© PRIMIS - the University of Nottingham 2021

White English or Welsh or Scottish or Northern Irish or British ethnicity group codes (NHS Digital 2016 grouping) SNOMED CT

Taken from the ETH2016WB_COD refset published by NHSD.

White Gypsy or Irish Traveller ethnicity group codes (NHS Digital 2016 grouping) SNOMED CT

Taken from the ETH2016WGT_COD refset published by NHSD.

White Irish Ethnicity SNOMED CT

Taken from the ETH2001_WHIIRISH_COD field in SARS-CoV2 COVID19 Vaccination Uptake Reporting Codes 20_21 v1, published by PRIMIS.

© PRIMIS - the University of Nottingham 2021

White Irish Ethnicity SNOMED CT

Taken from the ETH2001_WHIIRISH_COD field in SARS-CoV2 COVID19 Vaccination Uptake Reporting Codes 20_21 v1, published by PRIMIS.

© PRIMIS - the University of Nottingham 2021

White Irish ethnicity group codes (NHS Digital 2016 grouping) SNOMED CT

Taken from the ETH2016WI_COD refset published by NHSD.