Weight Loss (Unintentional)
Investigation of unexpected weight loss.
Reviewed by Dr Kola Tytler MBBS CertHE MBA MRCGP (General Practitioner)
Last reviewed: 21 October 2025
Clinical Guidelines
Assessment of unintentional weight loss
National
CKS: Adult malnutritionNational
ESPEN guidelines on definitions and terminology of clinical nutritionNational
NICE guideline [NG12]: Suspected cancer: recognition and referralNational
NICE guideline [NG84]National
Diagnostic criteria for malnutrition – An ESPEN Consensus StatementLocal
Diagnostic criteria for malnutrition–An ESPEN Consensus StatementLocal