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Weight Loss (Unintentional)

Investigation of unexpected weight loss.

Reviewed by Dr Kola Tytler MBBS CertHE MBA MSt MRCGP (General Practitioner)
Last reviewed: 21 October 2025
General PracticeOncologyGastroenterology
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Clinical Guidelines

Assessment of unintentional weight loss
National
CKS: Adult malnutrition
National
ESPEN guidelines on definitions and terminology of clinical nutrition
National
NICE guideline [NG12]: Suspected cancer: recognition and referral
National
NICE guideline [NG84]
National
Diagnostic criteria for malnutrition – An ESPEN Consensus Statement
Local
Diagnostic criteria for malnutrition–An ESPEN Consensus Statement
Local