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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RSV Identification (Prescriptions) - Maximal Sensitivity - dmd dm+d
Published by OpenSAFELY
RSV Identification (Primary Care) SNOMED CT

Codelist created to identify RSV in primary care with as much specificity as possible. For additional case identification in infants, the SNOMED code for Bronchiolitis (4120002) can be used to identify cases in emergency care (ECDS)

Published by OpenSAFELY
RSV Identification (Primary Care) - Maximal Sensitivity SNOMED CT

Codelist created to identify RSV in primary care with as much sensitivity as possible. For additional case identification in infants, the SNOMED codes for Bronchiolitis (4120002) and Viral Wheeze (276191000000107) can be used to identify cases in emergency care (ECDS).

Published by OpenSAFELY
RSV Identification (Secondary Care) ICD-10

Codelist created to identify RSV in secondary care with as much specificity as possible

Published by OpenSAFELY
Rare genetic, metabolic and autoimmune disease codes SNOMED CT

Taken from the C19RGMADIAG_COD refset published by NHSD.

Red blood cell (RBC) tests SNOMED CT

A SNOMED CT codelist for patients receiving monitoring of red blood cell (RBC) tests.

Published by OpenSAFELY
Red blood cell (RBC) tests (numerical value) SNOMED CT

A SNOMED CT codelist for patients receiving monitoring of red blood cell (RBC) tests with a numerical value

Published by OpenSAFELY
Reduced ejection fraction (heart failure) codes SNOMED CT

Taken from the REDEJCFRAC_COD refset published by NHSD.

Referral and signposting for long COVID SNOMED CT

This codelists contains referral and signposting codes for "long COVID".

Published by OpenSAFELY
Referral for hypertensive emergency codes SNOMED CT

Taken from the HYPREF_COD refset published by NHSD.

Referral regarding alcohol usage SNOMED CT

Taken from the ALCREF_COD refset published by NHSD.

Referral to NHS diabetes prevention programme attended SNOMED CT

Taken from the DPPATT_COD refset published by NHSD.

Referral to NHS diabetes prevention programme completed SNOMED CT

Taken from the DPPCOMP_COD refset published by NHSD.

Referral to NHS diabetes prevention programme offered or declined SNOMED CT

Taken from the DPPOFF_COD refset published by NHSD.

Referral to falls service codes SNOMED CT

Taken from the FALLSREF_COD refset published by NHSD.