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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multi_sclerosis Read V2
Published by QMUL Multimorbidity
oral NSAID Rx dm+d

Taken from the NSAID_COD field in the National PINCER Data Specification, published by PRIMIS.

© PRIMIS - the University of Nottingham 2021

Published by PINCER
parkinsons Read V2
Published by QMUL Multimorbidity
peptic ulceration SNOMED CT

Taken from the PEP_COD field in the National PINCER Data Specification, published by PRIMIS.

© PRIMIS - the University of Nottingham 2021

Published by PINCER
perip_arterial_disease Read V2
Published by QMUL Multimorbidity
peripheral arterial disease CTV3

Codes that indicate incident or history of peripheral arterial disease.

This is used for calculating the CHAD2S2-VASc score.

Published by OpenSAFELY
receiving chemotherapy or radiotherapy codes SNOMED CT

Taken from the DXT_CHEMO_COD fields in SARS-CoV2 (COVID-19) Vaccine Uptake Reporting Codes v.1.5.3

serious mental illness ICD-10
severe and profound learning disability flags CTV3

This is a list of generic codes which record the presence of a severe or profound learning disability, flagged as such in a patient's records separately to their underlying diagnosis.

Published by OpenSAFELY
sick-notes-ctv3 CTV3
Published by OpenSAFELY
sick-notes-snomed SNOMED CT
Published by OpenSAFELY
sinusitis Read V2
Published by QMUL Multimorbidity
substance_misuse Read V2
Published by QMUL Multimorbidity
symptom colorectal CIBH SNOMED CT
symptom colorectal PR bleeding SNOMED CT