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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Flu vaccine contraindications (persisting) SNOMED CT
Taken from the `XFLU_COD` refset published by NHSD. Contains public sector information licensed under the UK Open Government Licence v3.0 (https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/).
Flu vaccine drug codes dm+d
Taken from the `FLUDRUG_COD` NHS drug refset. Contains public sector information licensed under the UK Open Government Licence v3.0 (https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/).
Published by NHS Drug Refsets
Flu-like symptoms and upper and lower respiratory tract infection codes SNOMED CT
Taken from the `C19FLURTI_COD` refset published by NHSD. Contains public sector information licensed under the UK Open Government Licence v3.0 (https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/).
Folate level SNOMED CT
...
Published by Ardens
Foot risk classification codes SNOMED CT
Taken from the `FRC_COD` refset published by NHSD. Contains public sector information licensed under the UK Open Government Licence v3.0 (https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/).
Foot ulcer or infection or ischaemia codes SNOMED CT
Taken from the `FOOTULCERINFECTISCH_COD` refset published by NHSD. Contains public sector information licensed under the UK Open Government Licence v3.0 (https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/).
Fractional exhaled nitric oxide test service unavailable codes SNOMED CT
Taken from the `FENOPCASU_COD` refset published by NHSD. Contains public sector information licensed under the UK Open Government Licence v3.0 (https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/).
Fracture Risk Assessments SNOMED CT
This codelist aims to identify people who have had an assessment which evaluates the risk of bone fractures.
Published by OpenSAFELY
Fracture potential emergency OPCS codes OPCS-4
These are general fracture fixation OPCS-4 procedural codes
These OPCS-4 procedure codes need an additional ICD-10 diagnosis code to confirm that it was for an emergency rather than non-emergency procedure (defined as urgent or elective)
Emergency surgery defined as P1a and P1b as per Royal College of Surgeons Surgical Prioritisation Guidelines
Published by OpenSAFELY
Fracture risk assessment tool adjusted for rheumatoid arthritis (RA) SNOMED CT
Taken from the `FRCASSRA_COD` refset published by NHSD.
Fracture risk assessment tool adjusted for rheumatoid arthritis (RA) exception codes SNOMED CT
Taken from the `FRCASSRAEXC_COD` refset published by NHSD.
Fractures ICD-10
Fractures ICD-10 codes
Fragility CTV3
Codelist for creating binary variable capturing fragilities/fractures
Published by OpenSAFELY
Fragility fracture codes SNOMED CT
Taken from the `FF_COD` refset published by NHSD. Contains public sector information licensed under the UK Open Government Licence v3.0 (https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/).
Frailty assessment codes SNOMED CT
Taken from the `FRAILASS_COD` refset published by NHSD. Contains public sector information licensed under the UK Open Government Licence v3.0 (https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/).