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.

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Large bowel surgery - Subtotal excision of colon and rectum (Clean contaminated) (H29) OPCS-4
Procedure category: Large bowel surgery - Incision, excision or anastomosis of the large bowel, including procedures that involve anastomosis of small to large bowel.

Procedure subcategory: Subtotal excision of colon and rectum (Clean contaminated) (H29)
Large bowel surgery - Total excision of colon (Clean-Contaminated) (H05) OPCS-4
Procedure category: Large bowel surgery - Incision, excision or anastomosis of the large bowel, including procedures that involve anastomosis of small to large bowel.

Procedure subcategory: Total excision of colon (Clean-Contaminated) (H05)
Large bowel surgery - Total excision of colon and rectum (Clean-Contaminated) (H04) OPCS-4
Procedure category: Large bowel surgery - Incision, excision or anastomosis of the large bowel, including procedures that involve anastomosis of small to large bowel.

Procedure subcategory: Total excision of colon and rectum (Clean-Contaminated) (H04)
Learning disabilities CTV3
The following codes are used to indicate learning disability.
Published by OpenSAFELY
Learning disability (LD) codes SNOMED CT
Taken from the `LD_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/).
Learning disability (LD) exception codes SNOMED CT
Taken from the `LDEXC_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/).
Learning disability (LD) excluded codes SNOMED CT
Taken from the `LDREM_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/).
Learning disability (LD) health check codes SNOMED CT
Taken from the `HLTHCHK_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/).
Leflunomide BNF
Published by OpenSAFELY
Leflunomide dmd dm+d
dm+d codelist for Leflunomide
Published by OpenSAFELY
Left foot amputation codes SNOMED CT
Taken from the `AMPL_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/).
Left sided mastectomy codes SNOMED CT
Taken from the `MASTECLEFT_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/).
Leukotriene receptor antagonist medication dm+d
A list of leukotriene receptor antagonists (LTRA) preparations at VMP and AMP from the NHS Dictionary of Medicines and Devices.
Published by OpenSAFELY
Levetiracetam tablets BNF
Used by the following [OpenPrescribing](https://openprescribing.net) measures:

* [Levetiracetam prescribed as Keppra](https://openprescribing.net/measure/keppra/)
Published by OpenPrescribing
Levomepromazine - Subcutaneous dm+d
This codelist contains all subcutaneous formulations of levomepromazine
Published by OpenSAFELY