| O24.11 | Pre-existing type 2 diabetes mellitus, in pregnancy | NON-BILLABLE CODE |
| O24.111 | Pre-existing type 2 diabetes mellitus, in pregnancy, first trimester | BILLABLE CODE |
| O24.112 | Pre-existing type 2 diabetes mellitus, in pregnancy, second trimester | BILLABLE CODE |
| O24.113 | Pre-existing type 2 diabetes mellitus, in pregnancy, third trimester | BILLABLE CODE |
| O24.119 | Pre-existing type 2 diabetes mellitus, in pregnancy, unspecified trimester | BILLABLE CODE |
| O24.12 | Pre-existing type 2 diabetes mellitus, in childbirth | BILLABLE CODE |
| O24.13 | Pre-existing type 2 diabetes mellitus, in the puerperium | BILLABLE CODE |
