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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Asthma Admission codes SNOMED CT
Taken from the `ASTADM_COD` field in SARS-CoV2 COVID19 Vaccination Uptake Reporting Codes 20_21 v1, published by PRIMIS.

© PRIMIS - the University of Nottingham 2021
Asthma Diagnosis CTV3
Codes indicating an asthma diagnosis
Published by OpenSAFELY
Asthma Diagnosis (SNOMED) SNOMED CT
Automatically-generated equivalent of [Asthma Diagnosis](/codelist/opensafely/asthma-diagnosis/)
Published by OpenSAFELY
Asthma Diagnosis code SNOMED CT
Taken from the `AST_COD` field in SARS-CoV2 COVID19 Vaccination Uptake Reporting Codes 20_21 v1, published by PRIMIS.

© PRIMIS - the University of Nottingham 2021
Asthma Diagnosis code SNOMED CT
Taken from the `AST_COD` field in SARS-CoV2 COVID19 Vaccination Uptake Reporting Codes 20_21 v1, published by PRIMIS.

© PRIMIS - the University of Nottingham 2021
Asthma Inhaler Salbutamol Medication dm+d
Medication codes of inhaled salbutamol medications used for asthma treatment
Published by OpenSAFELY
Asthma Inhaler Steroid Medication dm+d
Medication codes of inhaled corticosteroid medications used for asthma treatment
Published by OpenSAFELY
Asthma Oral Prednisolone Medication dm+d
Medication codes of oral prednisolone.
Published by OpenSAFELY
Asthma Resolved SNOMED CT
Taken from the `AST_RES_COD` field in the National PINCER Data Specification, published by PRIMIS.

© PRIMIS - the University of Nottingham 2021
Published by PINCER
Asthma annual review QOF SNOMED CT
Asthma review code as listed in the QoF business rules
Published by OpenSAFELY
Asthma day symptom codes SNOMED CT
Taken from the `RCPDSYMP_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/).
Asthma diagnosis codes SNOMED CT
Taken from the `AST_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/).
Asthma diagnosis codes SNOMED CT
The AST_COD cluster in the asthma reference set taken from the Primary Care Domain Reference Set Portal, published by NHS Digital on 2021-12-21.
Published by OpenSAFELY
Asthma dm+d asthma systemic steroid codes dm+d
Taken from the `ASTRX2` fields in SARS-CoV2 COVID19 Vaccination Uptake Reporting Codes 20_21 v1.5.3, published by PRIMIS.

© PRIMIS - the University of Nottingham 2021
Asthma emergency admission codes SNOMED CT
Taken from the `ASTADMSN_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/).