International guidelines

United Kingdom

Suspected cancer: recognition and referral

Published by:National Institute for Health and Care Excellence

Last published:2025

Diagnosis and management of acute lower gastrointestinal bleeding

Published by:British Society of Gastroenterology

Last published:2019

Diverticular disease: diagnosis and management

Published by:National Institute for Health and Care Excellence

Last published:2019

Position statement on elective resection for diverticulitis

Published by:Association of Coloproctology of Great Britain and Ireland

Last published:2011

Europe

German guideline diverticular disease/diverticulitis: part I: methods, pathogenesis, epidemiology, clinical characteristics (definitions), natural course, diagnosis and classification

Published by:German Societies for Gastroenterology and Visceral Surgery

Last published:2022

German guideline diverticular disease/diverticulitis: part II: conservative, interventional and surgical management

Published by:German Societies for Gastroenterology and Visceral Surgery

Last published:2022

European Society of Coloproctology: guidelines for the management of diverticular disease of the colon

Published by:European Society of Coloproctology

Last published:2020

Practice parameters for the treatment of colonic diverticular disease

Published by:Italian Society of Colon and Rectal Surgery

Last published:2015

North America

Management of patients with acute lower gastrointestinal bleeding

Published by:American College of Gastroenterology

Last published:2023

Management of colonic diverticulitis

Published by:Agency for Healthcare Research and Quality

Last published:2020 (addendum 2022)

The American Society of Colon and Rectal Surgeons clinical practice guidelines for the treatment of left-sided colonic diverticulitis

Published by:American Society of Colon and Rectal Surgeons

Last published:2020

American Gastroenterological Association Institute guideline on the management of acute diverticulitis

Published by:American Gastroenterological Association Institute

Last published:2015

Practice parameters for the treatment of sigmoid diverticulitis

Published by:American Society of Colon and Rectal Surgeons

Last published:2014

Rest of the world

WSES/SICG/ACOI/SICUT/AcEMC/SIFIPAC guidelines for diagnosis and treatment of acute left colonic diverticulitis in the elderly

Published by:World Society of Emergency Surgery

Last published:2022

2020 update of the WSES guidelines for the management of acute colonic diverticulitis in the emergency setting

Published by:World Society of Emergency Surgery

Last published:2020

EAES and SAGES 2018 consensus conference on acute diverticulitis management: evidence‑based recommendations for clinical practice

Published by:European Association for Endoscopic Surgery; Society of American Gastrointestinal and Endoscopic Surgeons

Last published:2019

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