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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has_rheumatoid_arth_or_sle SNOMED CT
SNOMED codelist for the `has_rheumatoid_arth_or_sle` group in the QCovid® to develop the
COVID-19 Population Risk Assessment.

Published by QCovid
has_severe_mental_illness SNOMED CT
SNOMED codelist for the `has_severe_mental_illness` group in the QCovid® to develop the
COVID-19 Population Risk Assessment.

Published by QCovid
has_sickle_cell_immuno_def SNOMED CT
SNOMED codelist for the `has_sickle_cell_immuno_def` group in the QCovid® to develop the
COVID-19 Population Risk Assessment.
Published by QCovid
has_solid_organ_transplant OPCS-4
OPCS codelist for the `has_solid_organ_transplant` group in the QCovid® to develop the
COVID-19 Population Risk Assessment.
Published by QCovid
has_stroke_or_tia SNOMED CT
SNOMED codelist for the `has_stroke_or_tia` group in the QCovid® to develop the
COVID-19 Population Risk Assessment.

Published by QCovid
has_thrombosis_or_pulmonary_embolus SNOMED CT
SNOMED codelist for the `has_thrombosis_or_pulmonary_embolus` group in the QCovid® to develop the
COVID-19 Population Risk Assessment.
Published by QCovid
hazardous alcohol drinking CTV3
Codes that indicate hazardous alcohol drinking behavior. Future studies that require to specify ex-drinker and current-drinker need to revisit and review this codelist.
Published by OpenSAFELY
hearing_loss Read V2
Published by QMUL Multimorbidity
heart_failure Read V2
Published by QMUL Multimorbidity
height_cms SNOMED CT
SNOMED codelist for the `height_cms` group in the QCovid® to develop the
COVID-19 Population Risk Assessment.
Published by QCovid
historic anxiety and depression diagnosis codes SNOMED CT
historic codes and early-onset obesity codes SNOMED CT
historic self-harm codes SNOMED CT
historic serious mental illness diagnosis codes SNOMED CT
hypertension Read V2
Published by QMUL Multimorbidity