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 that have been used in OpenSAFELY research to date.

All codelists


Reset
Diabetic retinopathy screening service diabetes mellitus diagnosis negation codes SNOMED CT
Taken from the `DRSDMNEG_COD` refset published by NHSD.
Diabetic retinopathy screening service eligibility codes SNOMED CT
Taken from the `DRSELIGIBILITY_COD` refset published by NHSD. Contains public sector information licensed under the UK Open Government Licence v3.0 (https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/).
Diagnostic spirometry quality indicator service unavailable codes SNOMED CT
Taken from the `SPIRPCASU_COD` refset published by NHSD. Contains public sector information licensed under the UK Open Government Licence v3.0 (https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/).
Dialysis CTV3
Codes indicating dialysis treatment, or preparation for dialysis
Published by OpenSAFELY
Dialysis ICD10 ICD-10
ICD-10 codes indicating dialysis treatment for kidney replacement therapy.
Published by UK Renal Registry
Dialysis OPCS-4 OPCS-4
OPCS-4 codes indicating dialysis treatment for kidney replacement therapy.
Published by UK Renal Registry
Diamorphine subcutaneous dm+d
This code list contains diamorphine formulations which may be given subcutaneously.
Published by OpenSAFELY
Diarrhoea - ICD10 ICD-10
Diarrhoea - SNOMED SNOMED CT
Diastolic blood pressure SNOMED SNOMED CT
Diastolic blood pressure recording codes SNOMED CT
Taken from the `DIABP_COD` refset published by NHSD. Contains public sector information licensed under the UK Open Government Licence v3.0 (https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/).
Diet Intervention and Advice codes SNOMED CT
Taken from the `DIETINT_COD` refset published by NHSD. Contains public sector information licensed under the UK Open Government Licence v3.0 (https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/).
Diet Intervention and Advice codes (obsolete) SNOMED CT
Taken from the `DIETINT_COD` refset published by NHSD.
Digestive disorders CTV3
Diltiazem BNF
Used by the following [OpenPrescribing](https://openprescribing.net) measures:

* [Diltiazem preparations (>60mg) prescribed generically](https://openprescribing.net/measure/diltiazem/)
Published by OpenPrescribing