Obesity
International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2024-01
Obesity is a chronic complex disease defined by excessive adiposity that can impair health. It is in most cases a multifactorial disease due to obesogenic environments, psycho-social factors and genetic variants. In a subgroup of patients, single major etiological factors can be identified (medications, diseases, immobilization, iatrogenic procedures, monogenic disease/genetic syndrome). Body mass index (BMI) is a surrogate marker of adiposity calculated as weight (kg)/height² (m²). The BMI categories for defining obesity vary by age and gender in infants, children and adolescents. For adults, obesity is defined by a BMI greater than or equal to 30.00 kg/m² and there are three levels of severity in recognition of different management options.
code elsewhere
sections/codes in this section (5B81-5B81)
- Obesity due to energy imbalance (5B81.0)
- Drug-induced obesity (5B81.1)
- Other specified obesity (5B81.Y)
- Obesity, unspecified (5B81.Z)
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