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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Autism diagnosis codes SNOMED CT

Taken from the AUTISM_COD refset published by NHSD.

Autograft stem cell transplant codes SNOMED CT

Taken from the AUTOTRANSP_COD refset published by NHSD.

Autoimmune hemolytic anemia (AIHA) codes SNOMED CT

Taken from the AIHA_COD refset published by NHSD.

Autoimmune polyglandular syndromes/autoimmune polyendocrinopathy, candidiasis, ectodermal dystrophy (APECED syndrome) codes SNOMED CT

Taken from the APECED_COD refset published by NHSD.

Azathioprine BNF

BNF codelists for azathioprine.

Published by OpenSAFELY
Azathioprine DM+D dm+d

This codelist contains NHS Dictionary of Medicines and Devices (dm+d) codes for all azathioprine preparations.

Published by OpenSAFELY
Azithromycin (oral) dm+d

This codelist contains azithromycin formulations which may be given orally.

Published by OpenSAFELY
Azithromycin Medication dm+d

This codelists includes AMPs and VMPs from the NHS dictionary of medicines and devices for azithromycin.

Published by OpenSAFELY
B12 level SNOMED CT

...

Published by Ardens
BMI SNOMED CT

Taken from the BMI_COD field in SARS-CoV2 COVID19 Vaccination Uptake Reporting Codes 20_21 v1, published by PRIMIS.

© PRIMIS - the University of Nottingham 2021

BMI SNOMED CT

Taken from the BMI_COD field in SARS-CoV2 COVID19 Vaccination Uptake Reporting Codes 20_21 v1, published by PRIMIS.

© PRIMIS - the University of Nottingham 2021

BMI SNOMED CT

SNOMED codelist for the BMI group in the QCovid® to develop the COVID-19 Population Risk Assessment.

Codelist also contains the following unrecognised codes:

  • 1037511000000100 | Body height measurement declined (situation) |
  • 1046331000000100 | Unsuitable for body height measurement (finding) |
  • 1046351000000100 | Unsuitable for body weight measurement (finding) |
Published by QCovid
Bell's palsy CTV3

CTV3 codelist for incident Bell's palsy

Included unspecified facial nerve disorders following Leite et al.

Did not include: - facial nerve disorders with other specified cause (e.g. zoster, trauma) or specified as 'other' - history of Bell's palsy - palsies of an unspecified cranial nerve - multiple cranial nerve palsies (including palsies specified as both cranial nerves 5+7)

Published by OpenSAFELY
Bell's palsy - ECDS restricted reference set SNOMED CT

Bell's palsy - relevant code from ECDS restricted reference set of SNOMED codes

Published by OpenSAFELY
Bell's palsy ICD-10 ICD-10

ICD-10 code for Bell's palsy, for use in hospital admissions and mortality data

Published by OpenSAFELY