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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Pneumonia Secondary Care ICD-10

Pneumonia ICD-10 codes.

Published by OpenSAFELY
Pneumonia_v2 SNOMED CT

Asthma exacerbations codes derived by Hannah Whittaker (Imperial College London) and reviewed by Jenni Quint (Imperial College London) for CONVALESENCE Long Covid EHR project

Possible Familial Hypercholesterolaemia SNOMED CT

Taken from the POSSFH_COD refset published by NHSD.

Possible post-COVID19 illness, recovery or assessment 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.

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.

Pre-conception advice inappropriate or declined exception codes SNOMED CT

Taken from the EPILPCAEXC_COD refset published by NHSD.

Pre-diabetes codes SNOMED CT

Taken from the PRD_COD refset published by NHSD.

Prediabetes (SNOMED) SNOMED CT

SNOMED codes from the NHS Digital Diabetes Audit data template.

Published by OpenSAFELY
Preferred language codes SNOMED CT

Taken from the PREFLANG_COD refset published by NHSD.

Pregabalin BNF
Published by OpenPrescribing
Pregabalin capsules BNF
Published by OpenPrescribing
Pregnancy advice codes for people with epilepsy SNOMED CT

Taken from the EPILPA_COD refset published by NHSD.

Pregnancy advice for people with epilepsy inappropriate or declined exception codes SNOMED CT

Taken from the EPILPAEXC_COD refset published by NHSD.