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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Cockcroft Gault - Estimated glomerular filtration rate codes SNOMED CT
Taken from the `CGEGFR_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/).
Cockcroft Gault - Estimated glomerular filtration rate codes (obsolete) SNOMED CT
Taken from the `CGEGFR_COD` refset published by NHSD.
Code for cancer care review SNOMED CT
Taken from the `MDRV_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/).
Code for ex-smoker SNOMED CT
Taken from the `EXSMOK_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/).
Code for maximal anticonvulsant therapy SNOMED CT
Taken from the `MAXEP_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/).
Code for never smoked SNOMED CT
Taken from the `NSMOK_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/).
Code for stopped lithium SNOMED CT
Taken from the `LITSTP_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/).
Codeine for pain BNF
Excludes codeine for cough suppression. Include all codeine-containing products within the BNF Chapters 4.7 and 10.1.1 (combined with NSAIDs).
Published by OpenSAFELY
Codes for Albumin Creatinine and Protein Creatinine Ratio for chronic kidney disease (CKD) SNOMED CT
Taken from the `APCR_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/).
Codes for Medical Research Council (MRC) breathlessness scale score SNOMED CT
Taken from the `MRC_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/).
Codes for Medical Research Council (MRC) breathlessness scale score greater than or equal to 3 SNOMED CT
Taken from the `MRC1_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/).
Codes for assessed for familial hypercholesterolaemia SNOMED CT
Taken from the `CLASSFH_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/).
Codes for asthma quality indicator care unsuitable for patient SNOMED CT
Taken from the `ASTPCAPU_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/).
Codes for atrial fibrillation quality indicator care unsuitable for patient SNOMED CT
Taken from the `AFIBPCAPU_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/).
Codes for autoimmune disorders not explicitly in the COVID-19 clinically vulnerable criteria SNOMED CT
Taken from the `C19AUTOIM_COD` refset published by NHSD.