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: 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
Symptoms: sleep disturbance SNOMED CT
Code list aiming to identify individuals consulting complaining of sleep disturbance.
Published by OpenSAFELY
Symptoms: sore throat SNOMED CT
Code list aiming to identify individuals consulting complaining of sore throat.
Published by OpenSAFELY