This portfolio contains five sections; two connecting chapters of two studies conducted for the purpose of this portfolio. The fifth section includes publications originated from this work. The connecting chapters are the introduction and conclusion of the portfolio. The introduction provides context of the topic. The topic is discussed from a theoretical point of view, followed by consequences of the association between diabetes mellitus and a burn injury. The effects on outcomes for patients are presented, leading to justification of the topic. The concluding chapter summarises the portfolio, and links the present research to practice. Recommendations for further research are presented. The research reports present two individual studies addressing two different aspects of the topic. Each study is reported in a separate section with its own structure in terms of page numbers, references and layout. The first study is a retrospective case note review of outcomes for patients with diabetes and a foot burn injury. The second study is a survey of burns units, featuring management of diabetes when the admission diagnosis is a burn injury.