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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Illicit substance abuse codes SNOMED CT
Taken from the `ILLSUB_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/).
Illicit substance abuse intervention and declined codes SNOMED CT
Taken from the `ILLSUBINT_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/).
Immigration status SNOMED CT
This codelist represents a list of codes indicative of a specific immigration status (e.g. indefinite leave to remain, asylum seeker awaiting decision).
Published by OpenSAFELY
Immigration status excluding asylum and refugee status SNOMED CT
This codelist represents a list of codes indicative of a specific immigration status (e.g. indefinite leave to remain) excluding refugee or asylum-related statuses.
Published by OpenSAFELY
Immune thrombocytopenia (ITP) codes SNOMED CT
Taken from the `ITP_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/).
Immunosuppresant Drugs (PRA) (SNOMED) SNOMED CT
Taken from the Immunosuppression (PRA) tab of the Population Risk COVID-19 Treatments code list v1.3, published by NHS Digital, 2021-12-13.
Published by NHS Digital
Immunosuppression admin codes SNOMED CT
Immunosuppression codes (expiring) SNOMED CT
Taken from the `IMTEMP_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/).
Immunosuppression codes (persisting) SNOMED CT
Taken from the `IMATRISK1_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/).
Immunosuppression diagnosis codes SNOMED CT
Taken from the `IMMDX_COV_COD` field in SARS-CoV2 COVID19 Vaccination Uptake Reporting Codes 20_21 v1, published by PRIMIS.

© PRIMIS - the University of Nottingham 2021
Immunosuppression diagnosis codes SNOMED CT
Taken from the `IMMDX_COV_COD` field in SARS-CoV2 COVID19 Vaccination Uptake Reporting Codes 20_21 v1, published by PRIMIS.

© PRIMIS - the University of Nottingham 2021
Immunosuppression drugs dm+d
Taken from the `IMTRTATRISKDRUG_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
Immunosuppression due to HIV AIDS (ICD10) ICD-10
Taken from the HES tab of the Immunosuppression code set, published by NHS Digital in the 3rd primary dose cohort identification specification, 2021-10-01.
Published by NHS Digital
Immunosuppression due to HIV AIDS (SNOMED) SNOMED CT
Taken from the GPES tab of the Immunosuppression code set, published by NHS Digital in the 3rd primary dose cohort identification specification, 2021-10-01.
Published by NHS Digital
Immunosuppression medication codes dm+d
Taken from the `IMMRX_COD` field in SARS-CoV2 COVID19 Vaccination Uptake Reporting Codes 20_21 v1, published by PRIMIS.

© PRIMIS - the University of Nottingham 2021