O09.0 Supervision of pregnancy with history of infertilityNon-billable header with 4 child codes.
O09.00 Supervision of pregnancy with history of infertility, unspecified trimesterO09.01 Supervision of pregnancy with history of infertility, first trimesterO09.02 Supervision of pregnancy with history of infertility, second trimesterO09.03 Supervision of pregnancy with history of infertility, third trimesterZ34 Encounter for supervision of normal pregnancy ("encounter for supervision of high risk pregnancy (O09.-)")Z3A Weeks of gestation ("obstetric condition or encounter for delivery (O09-O60, O80-O82, O94-O9A)")O09 Supervision of high risk pregnancyO09.0 Supervision of pregnancy with history of infertility (this code)O09.00 Supervision of pregnancy with history of infertility, unspecified trimesterO09.01 Supervision of pregnancy with history of infertility, first trimesterO09.02 Supervision of pregnancy with history of infertility, second trimesterO09.03 Supervision of pregnancy with history of infertility, third trimesterO09.1 Supervision of pregnancy with history of ectopic pregnancy