O24.31 - Unspecified pre-existing diabetes mellitus in pregnancy O24.3 - Unspecified pre-existing diabetes mellitus in pregnancy, childbirth and the puerperium O24.31 - Unspecified pre-existing diabetes mellitus in pregnancy
O24.311 - Unspecified pre-existing diabetes mellitus in pregnancy, first trimester O24.312 - Unspecified pre-existing diabetes mellitus in pregnancy, second trimester O24.313 - Unspecified pre-existing diabetes mellitus in pregnancy, third trimester O24.319 - Unspecified pre-existing diabetes mellitus in pregnancy, unspecified trimester