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


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Anxiety screening codes SNOMED CT
Taken from the `ANXSCRN_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/).
Anxiety screening declined codes SNOMED CT
Taken from the `ANXSCRNDEC_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/).
Anxiety support and treatment codes SNOMED CT
Taken from the `ANXSUPP_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/).
Anxiolytics (BNF) BNF
BNF Prescription codes for anxiolytics.
Anxiolytics (SNOMED) SNOMED CT
Prescription codes for anxiolytics.
Any Dementia (ICD-10) V1.3 ICD-10
Any Dementia (SNOMED-CT) V1.3 SNOMED CT
Any Dementia (SNOMED-CT) V1.4 SNOMED CT
Any other ethnicity code SNOMED CT
Taken from the `NON_ETH2001_COD` field in SARS-CoV2 COVID19 Vaccination Uptake Reporting Codes 20_21 v1, published by PRIMIS.

© PRIMIS - the University of Nottingham 2021
Any other ethnicity code SNOMED CT
Taken from the `NON_ETH2001_COD` field in SARS-CoV2 COVID19 Vaccination Uptake Reporting Codes 20_21 v1, published by PRIMIS.

© PRIMIS - the University of Nottingham 2021
Aplastic Anaemia CTV3
Codes indicating diagnosis of aplastic anaemia
Published by OpenSAFELY
Aplastic Anaemia (SNOMED) SNOMED CT
Automatically-generated equivalent of [Aplastic Anaemia](/codelist/opensafely/aplastic-anaemia/)
Published by OpenSAFELY
Appendicitis ICD10 ICD-10
Appendicitis ICD10 codes
Appendicitis SNOMED SNOMED CT
Appendicitis SNOMED codes
Appendicitis codes SNOMED CT
Taken from the `APPENDICITIS_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/).