| O24.81 | Other pre-existing diabetes mellitus in pregnancy | NON-BILLABLE CODE |
| O24.811 | Other pre-existing diabetes mellitus in pregnancy, first trimester | BILLABLE CODE |
| O24.812 | Other pre-existing diabetes mellitus in pregnancy, second trimester | BILLABLE CODE |
| O24.813 | Other pre-existing diabetes mellitus in pregnancy, third trimester | BILLABLE CODE |
| O24.819 | Other pre-existing diabetes mellitus in pregnancy, unspecified trimester | BILLABLE CODE |
| O24.82 | Other pre-existing diabetes mellitus in childbirth | BILLABLE CODE |
| O24.83 | Other pre-existing diabetes mellitus in the puerperium | BILLABLE CODE |
