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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Small bowel surgery - Extirpation of lesion of jejunum (Clean-Contaminated) (G59) OPCS-4
Procedure category: Small bowel surgery - Incision, excision or anastomosis of small intestine, excluding procedures which involve anastomosis of small to large bowel.

Procedure subcategory: Extirpation of lesion of jejunum (Clean-Contaminated) (G59)
Small bowel surgery - Laparoscopically assisted approach to the abdominal cavity (Y75) OPCS-4
Procedure category: Small bowel surgery - Incision, excision or anastomosis of small intestine, excluding procedures which involve anastomosis of small to large bowel.

Procedure subcategory: Laparoscopically assisted approach to the abdominal cavity (Y75)
Small bowel surgery - Open extirpation of lesion of duodenum (Clean-Contaminated) (G50) OPCS-4
Procedure category: Small bowel surgery - Incision, excision or anastomosis of small intestine, excluding procedures which involve anastomosis of small to large bowel.

Procedure subcategory: Open extirpation of lesion of duodenum (Clean-Contaminated) (G50)
Small bowel surgery - Open extirpation of lesion of ileum (Clean-Contaminated) (G70) OPCS-4
Procedure category: Small bowel surgery - Incision, excision or anastomosis of small intestine, excluding procedures which involve anastomosis of small to large bowel.

Procedure subcategory: Open extirpation of lesion of ileum (Clean-Contaminated) (G70)
Small bowel surgery - Operations on ulcer of duodenum (G52) OPCS-4
Procedure category: Small bowel surgery - Incision, excision or anastomosis of small intestine, excluding procedures which involve anastomosis of small to large bowel.

Procedure subcategory: Operations on ulcer of duodenum (G52)
Small bowel surgery - Other open operations on duodenum (G53) OPCS-4
Procedure category: Small bowel surgery - Incision, excision or anastomosis of small intestine, excluding procedures which involve anastomosis of small to large bowel.

Procedure subcategory: Other open operations on duodenum (G53)
Small bowel surgery - Other open operations on ileum (Clean-Contaminated) (G78) OPCS-4
Procedure category: Small bowel surgery - Incision, excision or anastomosis of small intestine, excluding procedures which involve anastomosis of small to large bowel.

Procedure subcategory: Other open operations on ileum (Clean-Contaminated) (G78)
Small bowel surgery - Other open operations on jejunum (Clean-Contaminated) (G63) OPCS-4
Procedure category: Small bowel surgery - Incision, excision or anastomosis of small intestine, excluding procedures which involve anastomosis of small to large bowel.

Procedure subcategory: Other open operations on jejunum (Clean-Contaminated) (G63)
Smoker codes SNOMED CT
Taken from the `LSMOK_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/).
Smoking - Clear CTV3
Smoking codes that are clear in the capturing of smoking status. To be contrasted against Smoking - Unclear where the codes are less certain.
Published by OpenSAFELY
Smoking - Clear (SNOMED) SNOMED CT
Automatically-generated equivalent of [Smoking - Clear](/codelist/opensafely/smoking-clear/)
Published by OpenSAFELY
Smoking - Unclear CTV3
Codes that indicate smoking status. These codes are less clear than codes captured in Smoking Clear, and there remains some ambiguity about the smoking status.
Published by OpenSAFELY
Smoking - Unclear (SNOMED) SNOMED CT
Automatically-generated equivalent of [Smoking - Unclear](/codelist/opensafely/smoking-unclear/)
Published by OpenSAFELY
Smoking Intervention and Advice SNOMED CT
Taken from the `SMOKINGINT_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/).
Smoking exception codes SNOMED CT
Taken from the `SMOKEXC_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/).