Bariatric Surgery

Referral Criteria 

1.    The patient has a BMI of 40kgs/m2 or more, or a BMI of 35-40kgs/m2 plus other significant disease that could be improved with weight loss. (Commissioning Policy currently under review)

2.    Non surgical measures must have been attempted for at least 6 months but have failed to achieve or maintain clinically beneficial weight loss. 

The phrase of “significant disease that could be improved with weight loss” could encompass:

•   Hypertension

•   Type 2 Diabetes

•   Hypercholesterolaemia

•   Osteoarthritis of Weight Bearing Joints


Referrals for Semaglutide injections for weight loss

Referrals can now be accepted for consideration for Semaglutide injections to support weight management within the RCHT specialised Obesity services as per the criteria below:
  • BMI 35 or over with a weight-related comorbidity
  • BMI 30-35 in very exceptional circumstances such as congenital disease or chronic neurodegenerative conditions
  • Raised BMI without a weight-related comorbidity will not be accepted in line with national guidance.
Use lower BMI thresholds (usually reduced by 2.5 kg/m2) for people from South Asian, Chinese, other Asian, Middle Eastern, Black African or African-Caribbean family backgrounds.

In Cornwall all patients are seen by  Dr T Dugal or Dr S Creely at RCHT in the Obesity Clinic prior to referral for Bariatric Surgery.


Date Reviewed                       11/06/2024

Date Next Review                   11/06/2026

Author                                     Dr B Wesson  ( RMS GP Endocrinology lead)

                                                Dr R Hopkins


Version 1.2