OpenCodelists

Welcome to OpenCodelists, created by OpenSAFELY for creating and sharing codelists.

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Below, you'll find all the codelists that have been used in OpenSAFELY research to date.

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Gamma-glutamyl transferase test results codes SNOMED CT
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/).
Gamma-glutamyl transferase test results codes (obsolete) SNOMED CT
Taken from the `GGT_COD` refset published by NHSD.
Gastric Surgery - Antireflux operation (Clean-contaminated) (G24) OPCS-4
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…
Gastric Surgery - Connection of stomach to duodenum (Clean-contaminated) (G31) OPCS-4
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…
Gastric Surgery - Connection of stomach to transposed jejunum (Clean- contaminated) (G32) OPCS-4
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…
Gastric Surgery - Excision of oesophagus and stomach (oesophagogastrectomy) (Clean-contaminated) (G01) OPCS-4
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…
Gastric Surgery - Extracranial extirpation of vagus nerve (vagotomy) * (Clean) (A27) OPCS-4
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…
Gastric Surgery - Incision of pylorus (Clean-contaminated) (G40) OPCS-4
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…
Gastric Surgery - Laparoscopically assisted approach to the abdominal cavity (Y75) OPCS-4
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…
Gastric Surgery - Operations on ulcer of stomach (G35) OPCS-4
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…
Gastric Surgery - Other connection of stomach to jejunum (Clean-contaminated) (G33) OPCS-4
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…
Gastric Surgery - Other open operations on stomach (G38) OPCS-4
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…
Gastric Surgery - Other repair of stomach (G36) OPCS-4
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…
Gastric Surgery - Partial excision of stomach (partial gastrectomy) (Clean-contaminated) (G28) OPCS-4
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…
Gastric Surgery - Plastic operations on stomach (Clean-contaminated) (G30) OPCS-4
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…