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 we have used in OpenSAFELY research to date.

All codelists


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Asian or Asian British Any other Asian background ethnicity group codes (NHS Digital 2016 grouping) SNOMED CT

Taken from the ETH2016AO_COD refset published by NHSD.

Asian or Asian British Bangladeshi ethnicity group codes (NHS Digital 2016 grouping) SNOMED CT

Taken from the ETH2016AB_COD refset published by NHSD.

Asian or Asian British Chinese ethnicity group codes (NHS Digital 2016 grouping) SNOMED CT

Taken from the ETH2016AC_COD refset published by NHSD.

Asian or Asian British Indian ethnicity group codes (NHS Digital 2016 grouping) SNOMED CT

Taken from the ETH2016AI_COD refset published by NHSD.

Asian or Asian British Pakistani ethnicity group codes (NHS Digital 2016 grouping) SNOMED CT

Taken from the ETH2016AP_COD refset published by NHSD.

Aspirin dm+d

A list of NHS dictionary of medicines and devices codes for Aspirin.

Published by OpenSAFELY
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

Published by OpenSAFELY
Asplenia and splenic dysfunction codes SNOMED CT

Taken from the SPLENIC_COD refset published by NHSD.

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.

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.