| O99.21 | Obesity complicating pregnancy, childbirth, and the puerperium | NON-BILLABLE CODE |
| O99.210 | Obesity complicating pregnancy, unspecified trimester | BILLABLE CODE |
| O99.211 | Obesity complicating pregnancy, first trimester | BILLABLE CODE |
| O99.212 | Obesity complicating pregnancy, second trimester | BILLABLE CODE |
| O99.213 | Obesity complicating pregnancy, third trimester | BILLABLE CODE |
| O99.214 | Obesity complicating childbirth | BILLABLE CODE |
| O99.215 | Obesity complicating the puerperium | BILLABLE CODE |
| O99.28 | Other endocrine, nutritional and metabolic diseases complicating pregnancy, childbirth and the puerperium | NON-BILLABLE CODE |
| O99.280 | Endocrine, nutritional and metabolic diseases complicating pregnancy, unspecified trimester | BILLABLE CODE |
| O99.281 | Endocrine, nutritional and metabolic diseases complicating pregnancy, first trimester | BILLABLE CODE |
| O99.282 | Endocrine, nutritional and metabolic diseases complicating pregnancy, second trimester | BILLABLE CODE |
| O99.283 | Endocrine, nutritional and metabolic diseases complicating pregnancy, third trimester | BILLABLE CODE |
| O99.284 | Endocrine, nutritional and metabolic diseases complicating childbirth | BILLABLE CODE |
| O99.285 | Endocrine, nutritional and metabolic diseases complicating the puerperium | BILLABLE CODE |
