Guidelines 4
2022 ASMBS and IFSO Indications for Metabolic and Bariatric Surgery
The 2022 ASMBS/IFSO indications for metabolic and bariatric surgery: recommended at BMI above 35 kg/m² regardless of comorbidity, to be considered at BMI 30–34.9 kg/m² with metabolic disease, with lower thresholds for Asian populations.
2022 · American Society for Metabolic and Bariatric Surgery (ASMBS) and International Federation for the Surgery of Obesity and Metabolic Disorders (IFSO)
2022 American Society of Metabolic and Bariatric Surgery (ASMBS) and International Federation for the Surgery of Obesity and Metabolic Disorders (IFSO): Indications for Metabolic and Bariatric Surgery
The 2022 ASMBS/IFSO indications statement (Domain 09 filing of the same guideline as the Domain 02 record): metabolic and bariatric surgery recommended at BMI above 35 kg/m², to be considered at BMI 30–34.9 kg/m² with metabolic disease, with adjusted Asian thresholds.
2022 · American Society for Metabolic and Bariatric Surgery (ASMBS) and International Federation for the Surgery of Obesity and Metabolic Disorders (IFSO)
Scientific Evidence for the Updated Guidelines on Indications for Metabolic and Bariatric Surgery (IFSO/ASMBS)
The 2024 evidence update behind the ASMBS/IFSO indications: a systematic report on 13 criteria — BMI thresholds, Asian populations, diabetes, age, adolescents, safety and long-term outcomes — finding the evidence for expanded eligibility strengthened, though several questions rest on observational data.
2024 Evidence Update · International Federation for the Surgery of Obesity and Metabolic Disorders (IFSO) and ASMBS
NICE NG246 (England and Wales-facing national guidance)
NICE guideline NG246 on overweight and obesity: specialist multidisciplinary assessment first, bariatric surgery considered inside the defined NHS pathway after appropriate assessment and prior weight-management approaches, with lower BMI thresholds for several ethnic groups.
NG246 — 2025 (updated 2026) · National Institute for Health and Care Excellence (NICE)