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.

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smoking-clear-smoke-eversmoke CTV3
This codelist includes extracted codes for smoking and ever-smoking based on the OpenCodelists resource: opencodelists.org/codelist/opensafely/smoking-clear/2020-04-29/.
splenectomy SNOMED CT
Published by UKHSA
substance_misuse Read V2
Published by QMUL Multimorbidity
symptom colorectal CIBH SNOMED CT
symptom colorectal IDA SNOMED CT
symptom colorectal PR bleeding SNOMED CT
symptom colorectal WL SNOMED CT
symptom lowerGI abdo mass SNOMED CT
symptom lowerGI abdo pain SNOMED CT
symptom lowerGI anaemia SNOMED CT
symptoms colorectal cancer SNOMED CT
telephone consultation codes for Pharmacy First SNOMED CT
To identify whether a consultation (by matching day) is by telephone
thyroid Read V2
Published by QMUL Multimorbidity
to represent household contact of shielding individual SNOMED CT
Taken from the `HHLD_IMDEF_COD` field in SARS-CoV2 COVID19 Vaccination Uptake Reporting Codes 20_21 v1, published by PRIMIS.

© PRIMIS - the University of Nottingham 2021
to represent household contact of shielding individual SNOMED CT
Taken from the `HHLD_IMDEF_COD` field in SARS-CoV2 COVID19 Vaccination Uptake Reporting Codes 20_21 v1, published by PRIMIS.

© PRIMIS - the University of Nottingham 2021