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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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 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
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

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 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 annual review QOF SNOMED CT

Asthma review code as listed in the QoF business rules

Published by OpenSAFELY
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 exacerbation - secondary care ICD-10

ICD-10 codes to identify admissions for asthma, where the codes should be used to identify the primary reason for admission.

Published by OpenSAFELY
Asthma systemic steroid prescription codes dm+d

Taken from the ASTRXM1/2/3_COD fields in SARS-CoV2 COVID19 Vaccination Uptake Reporting Codes 20_21 v1, published by PRIMIS.

© PRIMIS - the University of Nottingham 2021

Atopic dermatitis CTV3
Published by OpenSAFELY
Atrial fibrillation - Clinical finding CTV3

The following codes are used to indicate a clinical finding of Atrial fibrillation.

Published by OpenSAFELY