Category: E66 - Overweight and obesity

 Chapter Notes

 E66

Overweight and obesity

Code first obesity complicating pregnancy, childbirth and the puerperium, if applicable (O99.21-)

Use additional code to identify body mass index (BMI), if known, for adults (Z68.1-Z68.45) or pediatrics (Z68.5-)

adiposogenital dystrophy (E23.6)

lipomatosis dolorosa [Dercum] (E88.2)

lipomatosis NOS (E88.2)

Prader-Willi syndrome (Q87.11)

 E66.0

Obesity due to excess calories

 E66.01

Morbid (severe) obesity due to excess calories

morbid (severe) obesity with alveolar hypoventilation (E66.2)

 E66.09

Other obesity due to excess calories

 E66.1

Drug-induced obesity

Use additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)

 E66.2

Morbid (severe) obesity with alveolar hypoventilation

Obesity hypoventilation syndrome (OHS)

Pickwickian syndrome

 E66.3

Overweight

 E66.8

Other obesity

 E66.81

Obesity class

 E66.811

Obesity, class 1

 E66.812

Obesity, class 2

 E66.813

Obesity, class 3

 E66.89

Other obesity not elsewhere classified

 E66.9

Obesity, unspecified

Obesity NOS