ICD-10-CM Book 2025 Edition

Chapters  /  Chapter 4  /  E65-E68

Overweight, obesity and other hyperalimentation (E65-E68)

E65 Localized adiposity
Fat pad
E66 Overweight and obesity
CodeFirst obesity complicating pregnancy, childbirth and the puerperium, if applicable (O99.21-)
UseAdditionalCode code to identify body mass index (BMI), if known, for adults (Z68.1-Z68.45) or pediatrics (Z68.5-)
Excludes2 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
Excludes1 morbid (severe) obesity with alveolar hypoventilation (E66.2)
E66.09 Other obesity due to excess calories
invalidAdmission Yes
E66.1 Drug-induced obesity
UseAdditionalCode code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
invalidAdmission Yes
E66.2 Morbid (severe) obesity with alveolar hypoventilation
Obesity hypoventilation syndrome (OHS)
Pickwickian syndrome
E66.3 Overweight
E66.8 Other obesity
invalidAdmission Yes
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
invalidAdmission Yes
E67 Other hyperalimentation
Excludes1 hyperalimentation NOS (R63.2)
sequelae of hyperalimentation (E68)
E67.0 Hypervitaminosis A
E67.1 Hypercarotenemia
E67.2 Megavitamin-B6 syndrome
E67.3 Hypervitaminosis D
E67.8 Other specified hyperalimentation
E68 Sequelae of hyperalimentation
CodeFirst condition resulting from (sequela) of hyperalimentation