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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Aspirin Rx dm+d
Taken from the `ASPIRIN_COD` field in the National PINCER Data Specification, published by PRIMIS.

© PRIMIS - the University of Nottingham 2021
Published by PINCER
Asplenia CTV3
Codes indicating diagnosis of asplenia or dysplenia (acquired or congenital)
Published by OpenSAFELY
Asplenia (SNOMED) SNOMED CT
Automatically-generated equivalent of [Asplenia](/codelist/opensafely/asplenia/)
Published by OpenSAFELY
Asplenia and splenic dysfunction codes SNOMED CT
Taken from the `SPLENIC_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/).
Asplenia or Dysfunction of the Spleen codes SNOMED CT
Taken from the `SPLN_COV_COD` field in SARS-CoV2 COVID19 Vaccination Uptake Reporting Codes 20_21 v1, published by PRIMIS.

© PRIMIS - the University of Nottingham 2021
Asplenia or Dysfunction of the Spleen codes SNOMED CT
Taken from the `SPLN_COV_COD` field in SARS-CoV2 COVID19 Vaccination Uptake Reporting Codes 20_21 v1, published by PRIMIS.

© PRIMIS - the University of Nottingham 2021
Assessment for dementia codes SNOMED CT
Taken from the `DEMASS_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/).
Assessment instruments and outcome measures for long covid SNOMED CT
This codelists contains codes for assessment instruments and outcome measures for "long COVID"
Published by OpenSAFELY
Assessment of asthma control using a validated asthma control questionnaire codes SNOMED CT
Taken from the `ASTCONTASS_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/).
Assessment of delirium codes SNOMED CT
Taken from the `DELIRIUMASS_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/).
Assessment using Patient Activation Measure codes SNOMED CT
Taken from the `PAM_COD` refset published by NHSD.
Assessment using falls risk assessment tool codes SNOMED CT
Taken from the `FALRISKASS_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 SNOMED CT
Taken from the `AST_COD` field in the National PINCER Data Specification, published by PRIMIS.

© PRIMIS - the University of Nottingham 2021
Published by PINCER
Asthma ICD-10
Asthma ICD-10 codes were selected based on the “Asthma exacerbation – secondary care” definition and reviewed with input from a clinical expert.
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