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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Blood tests SNOMED CT

Blood test result codes

Published by Ardens
Body mass index (BMI) codes SNOMED CT

Taken from the BMI_COD refset published by NHSD.

Body mass index (BMI) codes 1 SNOMED CT

Taken from the LBMI_COD refset published by NHSD.

Body mass index (BMI) codes >= 30 without an associated BMI value SNOMED CT

Taken from the BMI30_COD refset published by NHSD.

Body mass index (BMI) codes >= 40 without an associated BMI value SNOMED CT

Taken from the LBMI40_COD refset published by NHSD.

Body mass index (BMI) codes with an associated BMI value SNOMED CT

Taken from the BMIVAL_COD refset published by NHSD.

Body mass index (BMI) healthy codes SNOMED CT

Taken from the BMIHEALTHY_COD refset published by NHSD.

Body mass index (BMI) obese codes SNOMED CT

Taken from the BMIOBESE_COD refset published by NHSD.

Body mass index (BMI) overweight codes SNOMED CT

Taken from the BMIOVER_COD refset published by NHSD.

Body mass index (BMI) underweight codes SNOMED CT

Taken from the BMIUNDER_COD refset published by NHSD.

Bone Marrow Transplant CTV3

Codes indicating a bone marrow transplant has been carried out

Published by OpenSAFELY
Bone Marrow Transplant (SNOMED) SNOMED CT

Automatically-generated equivalent of Bone Marrow Transplant

Published by OpenSAFELY
Bone sparing therapy codes SNOMED CT

Taken from the BSA_COD refset published by NHSD.

Booster DTaP/IPV vaccination codes SNOMED CT

Taken from the DTAPIPVVACBOOST_COD refset published by NHSD.

Booster Men B vaccination codes SNOMED CT

Taken from the MENBVACBOOST_COD refset published by NHSD.