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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Symptoms: diarrhoea SNOMED CT

Code list aiming to identify individuals consulting complaining of diarrhoea

Published by OpenSAFELY
Symptoms: dizzy SNOMED CT

Code list aiming to identify individuals consulting complaining of dizziness.

Published by OpenSAFELY
Symptoms: earache SNOMED CT

Code list aiming to identify individuals consulting complaining of earache.

Published by OpenSAFELY
Symptoms: fatigue SNOMED CT

Code list aiming to identify individuals consulting complaining of fatigue.

Published by OpenSAFELY
Symptoms: fever SNOMED CT

Code list aiming to identify individuals consulting complaining of fever.

Published by OpenSAFELY
Symptoms: hair loss SNOMED CT

Code list aiming to identify individuals consulting complaining of hair loss.

Published by OpenSAFELY
Symptoms: headache SNOMED CT

Code list aiming to identify individuals consulting complaining of headache

Published by OpenSAFELY
Symptoms: loss of taste or smell SNOMED CT

Code list aiming to identify individuals consulting complaining of loss or change in taste and/or smell.

Published by OpenSAFELY
Symptoms: mobility impairment SNOMED CT

Code list aiming to identify individuals consulting complaining of mobility impairment.

Published by OpenSAFELY
Symptoms: nasal congestion SNOMED CT

Code list aiming to identify individuals consulting complaining of nasal congestion.

Published by OpenSAFELY
Symptoms: nausea and vomiting SNOMED CT

Code list aiming to identify individuals consulting complaining of nausea and vomiting.

Published by OpenSAFELY
Symptoms: pain SNOMED CT

Code list aiming to identify individuals consulting complaining of pain.

Published by OpenSAFELY
Symptoms: palpitations SNOMED CT

Code list aiming to identify individuals consulting complaining of palpitations.

Published by OpenSAFELY
Symptoms: peripheral neuropathy SNOMED CT

Code list aiming to identify individuals consulting complaining of peripheral neuropathy.

Published by OpenSAFELY
Symptoms: rashes SNOMED CT

Code list aiming to identify individuals consulting complaining of skin rashes.

Published by OpenSAFELY