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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skin and soft tissue infections SNOMED CT

Codelist for skin and soft tissue infections that may be treated with repeat antibiotics in primary care.

Published by UKHSA
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
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

type of residence SNOMED CT

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