| Code | Description |
| 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 |
| E66.8 | Other obesity |
| E66.9 | Obesity, unspecified |
| O99.210 | Obesity complicating pregnancy, unspecified trimester |
| O99.211 | Obesity complicating pregnancy, first trimester |
| O99.212 | Obesity complicating pregnancy, second trimester |
| O99.213 | Obesity complicating pregnancy, third trimester |
| O99.214 | Obesity complicating childbirth |
| O99.215 | Obesity complicating the puerperium |