Chapter IV

Endocrine, nutritional and metabolic diseases
(E00-E90)

Obesity and other hyperalimentation
(E65-E68)


E66	Obesity
	Excludes:	adiposogenital dystrophy ( E23.6 ) lipomatosis: · NOS ( E88.2 ) · dolorosa [Dercum] ( E88.2 ) Prader-Willi syndrome ( Q87.1 )
E66.0	Obesity due to excess calories
E66.1	Drug-induced obesity
	Use additional external cause code (Chapter XX), if desired, to identify drug.
E66.2	Extreme obesity with alveolar hypoventilation
	Pickwickian syndrome
E66.8	Other obesity
	Morbid obesity
E66.9	Obesity, unspecified
	Simple obesity NOS


E67	Other hyperalimentation
	Excludes:	hyperalimentation NOS ( R63.2 ) sequelae of hyperalimentation ( E68 )
E67.0	Hypervitaminosis A
E67.1	Hypercarotenaemia
E67.2	Megavitamin-B ₆ syndrome
E67.3	Hypervitaminosis D
E67.8	Other specified hyperalimentation


E68		Sequelae of hyperalimentation