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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Symptoms: cough SNOMED CT
Code list aiming to identify individuals consulting complaining of cough.
Published by OpenSAFELY
Symptoms: delirium SNOMED CT
Code list aiming to identify individuals consulting complaining of delirium.
Published by OpenSAFELY
Symptoms: depression SNOMED CT
Code list aiming to identify individuals consulting complaining of symptoms of depresson and with depression diagnoses.
Published by OpenSAFELY
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