Overweight and obesity - E66
Use Additional Code: This note indicates that an additional code should be used in conjunction with the primary code "E66" to provide a complete picture of the patient's condition or to capture associated factors.
Use Additional:
- code to identify body mass index (BMI), if known (Z68.-)
Excludes1: It indicates that the conditions described by two codes cannot occur together in the same patient. These codes are mutually exclusive.
Type 1 Excludes:
- adiposogenital dystrophy (E23.6)
- lipomatosis NOS (E88.2)
- lipomatosis dolorosa [Dercum] (E88.2)
- Prader-Willi syndrome (Q87.11)
Code First: This note advises that another code should be sequenced as the principal diagnosis before the code with this note.
Category codeFirst:
- obesity complicating pregnancy, childbirth and the puerperium, if applicable (O99.21-)
These ranges represents subcategories of Overweight and obesity. The "E66" signifies that these are the diseases within this broad category.
Codes:
- E66.0 - Obesity due to excess calories
- E66.01 - Morbid (severe) obesity due to excess calories
- E66.09 - Other obesity due to excess calories
- E66.1 - Drug-induced obesity
- E66.2 - Morbid (severe) obesity with alveolar hypoventilation
- 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