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
- Galantamine drug codes dm+d
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Taken from the `GALANTAMINEDRUG_COD` NHS drug refset. Contains public sector information licensed under the UK Open Government Licence v3.0 (https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/).Published by NHS Drug Refsets
- Gallstones disease ICD10 ICD-10
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Published by University of Bristol
- Gallstones disease SNOMED SNOMED CT
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Published by University of Bristol
- Gamma-glutamyl transferase test results codes SNOMED CT
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Taken from the `GGT_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/).Published by NHSD Primary Care Domain Refsets
- Gamma-glutamyl transferase test results codes (obsolete) SNOMED CT
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Taken from the `GGT_COD` refset published by NHSD.Published by NHSD Primary Care Domain Refsets
- Gastric Surgery - Antireflux operation (Clean-contaminated) (G24) OPCS-4
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Procedure category: Gastric Surgery - Incision, excision or anastomosis of stomach, including partial or total gastrectomy, vagotomy, pyloromyotomy, pyloroplasty and gastroenterostomy. These can be included in the surveillance using the following Y75.codes as a secondary code to indicate the laparoscopic approach For example, a laparoscopic assisted Oesophagogastrectomy and anastomosis of oesophagus to stomach would be given a primary procedure code of G01.1 and a secondary code of Y75.1. Pleas…Published by Oxford Health Protection Research Unit
- Gastric Surgery - Connection of stomach to duodenum (Clean-contaminated) (G31) OPCS-4
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Procedure category: Gastric Surgery - Incision, excision or anastomosis of stomach, including partial or total gastrectomy, vagotomy, pyloromyotomy, pyloroplasty and gastroenterostomy. These can be included in the surveillance using the following Y75.codes as a secondary code to indicate the laparoscopic approach For example, a laparoscopic assisted Oesophagogastrectomy and anastomosis of oesophagus to stomach would be given a primary procedure code of G01.1 and a secondary code of Y75.1. Pleas…Published by Oxford Health Protection Research Unit
- Gastric Surgery - Connection of stomach to transposed jejunum (Clean- contaminated) (G32) OPCS-4
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Procedure category: Gastric Surgery - Incision, excision or anastomosis of stomach, including partial or total gastrectomy, vagotomy, pyloromyotomy, pyloroplasty and gastroenterostomy. These can be included in the surveillance using the following Y75.codes as a secondary code to indicate the laparoscopic approach For example, a laparoscopic assisted Oesophagogastrectomy and anastomosis of oesophagus to stomach would be given a primary procedure code of G01.1 and a secondary code of Y75.1. Pleas…Published by Oxford Health Protection Research Unit
- Gastric Surgery - Excision of oesophagus and stomach (oesophagogastrectomy) (Clean-contaminated) (G01) OPCS-4
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Procedure category: Gastric Surgery - Incision, excision or anastomosis of stomach, including partial or total gastrectomy, vagotomy, pyloromyotomy, pyloroplasty and gastroenterostomy. These can be included in the surveillance using the following Y75.codes as a secondary code to indicate the laparoscopic approach For example, a laparoscopic assisted Oesophagogastrectomy and anastomosis of oesophagus to stomach would be given a primary procedure code of G01.1 and a secondary code of Y75.1. Pleas…Published by Oxford Health Protection Research Unit
- Gastric Surgery - Extracranial extirpation of vagus nerve (vagotomy) * (Clean) (A27) OPCS-4
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Procedure category: Gastric Surgery - Incision, excision or anastomosis of stomach, including partial or total gastrectomy, vagotomy, pyloromyotomy, pyloroplasty and gastroenterostomy. These can be included in the surveillance using the following Y75.codes as a secondary code to indicate the laparoscopic approach For example, a laparoscopic assisted Oesophagogastrectomy and anastomosis of oesophagus to stomach would be given a primary procedure code of G01.1 and a secondary code of Y75.1. Pleas…Published by Oxford Health Protection Research Unit
- Gastric Surgery - Incision of pylorus (Clean-contaminated) (G40) OPCS-4
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Procedure category: Gastric Surgery - Incision, excision or anastomosis of stomach, including partial or total gastrectomy, vagotomy, pyloromyotomy, pyloroplasty and gastroenterostomy. These can be included in the surveillance using the following Y75.codes as a secondary code to indicate the laparoscopic approach For example, a laparoscopic assisted Oesophagogastrectomy and anastomosis of oesophagus to stomach would be given a primary procedure code of G01.1 and a secondary code of Y75.1. Pleas…Published by Oxford Health Protection Research Unit
- Gastric Surgery - Laparoscopically assisted approach to the abdominal cavity (Y75) OPCS-4
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Procedure category: Gastric Surgery - Incision, excision or anastomosis of stomach, including partial or total gastrectomy, vagotomy, pyloromyotomy, pyloroplasty and gastroenterostomy. These can be included in the surveillance using the following Y75.codes as a secondary code to indicate the laparoscopic approach For example, a laparoscopic assisted Oesophagogastrectomy and anastomosis of oesophagus to stomach would be given a primary procedure code of G01.1 and a secondary code of Y75.1. Pleas…Published by Oxford Health Protection Research Unit
- Gastric Surgery - Operations on ulcer of stomach (G35) OPCS-4
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Procedure category: Gastric Surgery - Incision, excision or anastomosis of stomach, including partial or total gastrectomy, vagotomy, pyloromyotomy, pyloroplasty and gastroenterostomy. These can be included in the surveillance using the following Y75.codes as a secondary code to indicate the laparoscopic approach For example, a laparoscopic assisted Oesophagogastrectomy and anastomosis of oesophagus to stomach would be given a primary procedure code of G01.1 and a secondary code of Y75.1. Pleas…Published by Oxford Health Protection Research Unit
- Gastric Surgery - Other connection of stomach to jejunum (Clean-contaminated) (G33) OPCS-4
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Procedure category: Gastric Surgery - Incision, excision or anastomosis of stomach, including partial or total gastrectomy, vagotomy, pyloromyotomy, pyloroplasty and gastroenterostomy. These can be included in the surveillance using the following Y75.codes as a secondary code to indicate the laparoscopic approach For example, a laparoscopic assisted Oesophagogastrectomy and anastomosis of oesophagus to stomach would be given a primary procedure code of G01.1 and a secondary code of Y75.1. Pleas…Published by Oxford Health Protection Research Unit
- Gastric Surgery - Other open operations on stomach (G38) OPCS-4
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Procedure category: Gastric Surgery - Incision, excision or anastomosis of stomach, including partial or total gastrectomy, vagotomy, pyloromyotomy, pyloroplasty and gastroenterostomy. These can be included in the surveillance using the following Y75.codes as a secondary code to indicate the laparoscopic approach For example, a laparoscopic assisted Oesophagogastrectomy and anastomosis of oesophagus to stomach would be given a primary procedure code of G01.1 and a secondary code of Y75.1. Pleas…Published by Oxford Health Protection Research Unit