Neither the basic NICE guidelines alone nor even detailed dietary assessment will detect all of those who have significant nutritional deficiencies.
The more detailed NICE publication Nutrition Support for Adults: Oral Nutrition Support, Enteral Tube Feeding and Parenteral Nutrition (reference here and see footnote on page 70) details other clinical situations that give doctors cause for concern about a patient’s nutrition state including:
These and other well-defined clinical situations suggest a high probability of nutritional deficiencies developing or being present are covered below or are dealt with in the section Symptoms of Nutritional Deficiency.
As a general rule the risk of an individual having one or more nutritional deficiencies rises steeply as the number of risk factors increase.
This list covers many but by no means all situations of increased risk of nutritional deficiency.