O30.83 Other specified multiple gestation, number of chorions and amnions are both equal to the number of fetusesNon-billable header with 4 child codes.
O30.831 Other specified multiple gestation, number of chorions and amnions are both equal to the number of fetuses, first trimesterO30.832 Other specified multiple gestation, number of chorions and amnions are both equal to the number of fetuses, second trimesterO30.833 Other specified multiple gestation, number of chorions and amnions are both equal to the number of fetuses, third trimesterO30.839 Other specified multiple gestation, number of chorions and amnions are both equal to the number of fetuses, unspecified trimesterO30.82 Other specified multiple gestation with two or more monoamniotic fetusesO30.821 Other specified multiple gestation with two or more monoamniotic fetuses, first trimesterO30.822 Other specified multiple gestation with two or more monoamniotic fetuses, second trimesterO30.823 Other specified multiple gestation with two or more monoamniotic fetuses, third trimesterO30.829 Other specified multiple gestation with two or more monoamniotic fetuses, unspecified trimesterO30.83 Other specified multiple gestation, number of chorions and amnions are both equal to the number of fetuses (this code)O30.831 Other specified multiple gestation, number of chorions and amnions are both equal to the number of fetuses, first trimesterO30.832 Other specified multiple gestation, number of chorions and amnions are both equal to the number of fetuses, second trimesterO30.833 Other specified multiple gestation, number of chorions and amnions are both equal to the number of fetuses, third trimesterO30.839 Other specified multiple gestation, number of chorions and amnions are both equal to the number of fetuses, unspecified trimesterO30.89 Other specified multiple gestation, unable to determine number of placenta and number of amniotic sacs