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category E11 to further identify any manifestations

long-term (current) use of insulin (Z79.4)
O24.11 Pre-existing diabetes mellitus, type 2, in pregnancy
O24.111 Pre-existing diabetes mellitus, type 2, in pregnancy, first trimester
O24.112 Pre-existing diabetes mellitus, type 2, in pregnancy, second trimester
O24.113 Pre-existing diabetes mellitus, type 2, in pregnancy, third trimester
O24.119 Pre-existing diabetes mellitus, type 2, in pregnancy, unspecified trimester
O24.12 Pre-existing diabetes mellitus, type 2, in childbirth
O24.13 Pre-existing diabetes mellitus, type 2, in the puerperium
O24.3 Unspecified pre-existing diabetes mellitus in pregnancy, childbirth and the puerperium
Use additional code (for):
from category E11 to further identify any manifestation
long-term (current) use of insulin (Z79.4)
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
O24.32 Unspecified pre-existing diabetes mellitus in childbirth
O24.33 Unspecified pre-existing diabetes mellitus in the puerperium
O24.4 Gestational diabetes mellitus
Diabetes mellitus arising in pregnancy
Gestational diabetes mellitus NOS
O24.41 Gestational diabetes mellitus in pregnancy
O24.410 Gestational diabetes mellitus in pregnancy, diet-controlled
O24.414 Gestational diabetes mellitus in pregnancy, insulin controlled
O24.419 Gestational diabetes mellitus in pregnancy, unspecified control
O24.42 Gestational diabetes mellitus in childbirth
O24.420 Gestational diabetes mellitus in childbirth, diet controlled
O24.