Sixteen Years Trends in Reported Undernutrition in Switzerland

undernutrition reporting

ICD-10 codes E12 (undernutrition-related diabetes mellitus), E40 (kwashiorkor), E41 (nutritional marasmus), E42 (marasmic kwashiorkor), E43 (unspecified severe protein-energy undernutrition), E44 (protein-energy undernutrition of moderate and mild degree), E46 (unspecified protein-energy undernutrition), R63 (R63.0: Anorexia, R63.3: feeding difficulties and mismanagement; R63.4: abnormal weight loss and R63.6: Insufficient intake of food and water due to self-neglect), and R64 (cachexia).

nutritional management

CHOP codes related to enteral nutrition (96.6 and 96.35), parenteral nutrition (99.15), nutritional advice and therapy (89.0A.30, 89.0A.31 or 89.0A.32, depending on year) and multimodal nutritional therapy (89.0A.4*, where *=any number).

Length of stay

Overall length of hospital stay, in days

In-hospital mortality

Hospital mortality (code=deceased)

Nosocomial infection

ICD-10 codes T80.2 (Infections following infusion, transfusion and therapeutic injection); T82.6 (Infection and inflammatory reaction due to cardiac valve prosthesis); T82.7 (Infection and inflammatory reaction due to other cardiac and vascular devices, implants and grafts); T83.5 (Infection and inflammatory reaction due to prosthetic device, implant and graft in urinary system); T83.6 (Infection and inflammatory reaction due to prosthetic device, implant and graft in genital tract); T84.5 (Infection and inflammatory reaction due to internal joint prosthesis); T84.6 (Infection and inflammatory reaction due to internal fixation device [any site]); T84.7 (Infection and inflammatory reaction due to other internal orthopaedic prosthetic devices, implants and grafts); T85.7 (Infection and inflammatory reaction due to other internal prosthetic devices, implants and grafts); A04.7 (Clostridium difficile infection);