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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Cerebrospinal fluid shunt codes SNOMED CT

Taken from the CSFSATRISK1_COD refset published by NHSD.

Cerebrospinal fluid shunt removal codes SNOMED CT

Taken from the CSFSREMATRISK1_COD refset published by NHSD.

Cervical cytology exception codes SNOMED CT

Taken from the CYTEXC_COD refset published by NHSD.

Cervical screening codes SNOMED CT

Taken from the SMEAR_COD refset published by NHSD.

Change of medication codes SNOMED CT

Taken from the CHNGMED_COD refset published by NHSD.

Chemotherapy or Radiotherapy CTV3

Codes indicating chemotherapy or radiotherapy or both has been carried out

Published by OpenSAFELY
Chemotherapy or Radiotherapy (SNOMED) SNOMED CT

Automatically-generated equivalent of Chemotherapy or Radiotherapy

Published by OpenSAFELY
Chemotherapy or Radiotherapy (updated) CTV3

An updated version of https://codelists.opensafely.org/codelist/opensafely/chemotherapy-or-radiotherapy/, with truncated codes fixed.

Published by OpenSAFELY
Chloroquine dm+d

This notebook contains NHS dm+d codes medications chloroquine phosphate or chloroquine sulfate.

Published by OpenSAFELY
Cholesterol (total) level SNOMED CT

...

Published by Ardens
Cholesterol codes without a value SNOMED CT

Taken from the NONVALCHOL_COD refset published by NHSD.

Cholesterol tests SNOMED CT

A SNOMED CT codelist describing primary care requests for total cholesterol.

Published by OpenSAFELY
Cholesterol tests (numerical value) SNOMED CT

A SNOMED CT codelist describing primary care requests for total cholesterol with a numerical value.

Published by OpenSAFELY
Chronic Cardiac Disease CTV3

Codes indicating a diagnosis of chronic heart disease, excluding simple VSD and AF

Published by OpenSAFELY
Chronic Cardiac Disease (SNOMED) SNOMED CT

Automatically-generated equivalent of Chronic Cardiac Disease

Published by OpenSAFELY