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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Upper respiratory tract infections SNOMED CT
Urea and Electrolytes test results SNOMED CT

Taken from the UE_COD refset published by NHSD.

Urinary-tract infections (antibacterials) dm+d

Urinary-tract infections codelist extracted from antibacterials codelist (https://www.opencodelists.org/codelist/opensafely/antibacterials/27089eaa/)

Published by UKHSA
Urine albumin codes SNOMED CT

Taken from the NDAALB_COD refset published by NHSD.

Urine tests SNOMED CT

-

Published by Ardens
VSL#3 and Vivomixx BNF
Published by OpenPrescribing
VTE classified codes CTV3

VTE codes classified into cvt, dvt, pe, hepatic, smv, unspecified and other.

Published by OpenSAFELY
Valneva booster medication code dm+d

Taken from the VLB1RX_COD field in SARS-CoV2 COVID19 Vaccination Uptake Reporting Codes 20_21, published by PRIMIS.

© PRIMIS - the University of Nottingham 2021

Valneva vaccination medication code dm+d

Taken from the VLD1/2RX_COD fields in SARS-CoV2 COVID19 Vaccination Uptake Reporting Codes 20_21, published by PRIMIS.

© PRIMIS - the University of Nottingham 2021

Valvular atrial fibrillation CTV3

Codes indicating incident/ history of valvular atrial fibrillation (codes indicating artificial valves and mitral stenosis).

Published by OpenSAFELY
Vascular dementia (ICD10) V1.3 ICD-10
Vascular dementia (SNOMED-CT) V1.3 SNOMED CT
Vascular dementia codes SNOMED CT

Taken from the DEMVASC_COD refset published by NHSD.

Venous Thromboembolic Disease CTV3

DEFINITION: A history of venous thromboembolic disease

Variables: (1) a binary variable denoting the presence of one of the codes at any point in the patient record. (2) the earliest date of such a code.

Published by OpenSAFELY
Venous thromboembolism (VTE) diagnosis codes SNOMED CT

Taken from the VTE_COD refset published by NHSD.