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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Type 1 Diabetes CTV3

Codes explicitly indicating Type 1 Diabetes

Published by OpenSAFELY
Type 1 diabetes (secondary care) ICD-10

Codes explicity indicating Type 1 Diabetes (secondary care)

Published by OpenSAFELY
Type 2 Diabetes CTV3

Codes explicitly indicating Type 2 Diabetes

Published by OpenSAFELY
URTI SNOMED CT

Asthma exacerbations codes derived by Hannah Whittaker (Imperial College London) and reviewed by Jenni Quint (Imperial College London) for CONVALESENCE Long Covid EHR project

URTI (SNOMED) SNOMED CT

URTI codes derived by Hannah Whittaker (Imperial College London) and reviewed by Jenni Quint (Imperial College London) for CONVALESENCE Long Covid EHR project

Ulcer healing drugs: PPI & H2 blockers Rx dm+d

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

© PRIMIS - the University of Nottingham 2021

Published by PINCER
Ulcerative colitis CTV3
Published by OpenSAFELY
Ulipristal acetate 5mg BNF
Published by OpenPrescribing
Unspecified dementia (ICD10) V1.3 ICD-10
Unspecified dementia (SNOMED-CT) V1.3 SNOMED CT
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

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Published by Ardens