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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Polyarteritis nodosa codes SNOMED CT
Taken from the `POLYARTERITIS_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/).
Polymyalgia Rheumatica (PMR) codes SNOMED CT
Taken from the `PMR_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/).
Polymyositis/Dermatomyositis codes SNOMED CT
Taken from the `MYOSITIS_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/).
Possible Familial Hypercholesterolaemia codes SNOMED CT
Taken from the `POSSFH_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/).
Possible Familial Hypercholesterolaemia codes (obsolete) SNOMED CT
Taken from the `POSSFH_COD` refset published by NHSD.
Possible post-COVID19 illness recovery or assessment codes SNOMED CT
Taken from the `POSSPOSTCOVID_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/).
Possible post-COVID19 illness, recovery or assessment codes (obsolete) SNOMED CT
Taken from the `POSSPOSTCOVID_COD` refset published by NHSD.
Post-COVID-19 illness diagnoses and referral codes SNOMED CT
Taken from the `POSTCOVID_COD` refset published by NHSD.
Posttraumatic stress disorder (PTSD) SNOMED CT
This codelist will be used to extract patients with Posttraumatic stress disorder (PTSD ) using OpenSAFELY. The codelist will be applied in studies looking at Trends and variations in the assessment, diagnosis, and treatment of PTSD.
Published by OpenSAFELY
Potassium (K) SNOMED CT
...
Published by Ardens
Pre-conception advice codes for people with epilepsy SNOMED CT
Taken from the `EPILPCA_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/).
Pre-conception advice inappropriate or declined exception codes SNOMED CT
Taken from the `EPILPCAEXC_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/).
Pre-diabetes codes SNOMED CT
Taken from the `PRD_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/).
Prediabetes (SNOMED) SNOMED CT
SNOMED codes from the NHS Digital Diabetes Audit data template.
Published by OpenSAFELY
Prednisolone drug codes dm+d
Taken from the `C19PREDDRUG_COD` NHS drug refset. Contains public sector information licensed under the UK Open Government Licence v3.0 (https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/).
Published by NHS Drug Refsets