Z3A.4 - Weeks of gestation of pregnancy, weeks 40 or greater Z3A - Weeks of gestation Z3A.4 - Weeks of gestation of pregnancy, weeks 40 or greater
Z3A.40 - 40 weeks gestation of pregnancy Z3A.41 - 41 weeks gestation of pregnancy Z3A.42 - 42 weeks gestation of pregnancy Z3A.49 - Greater than 42 weeks gestation of pregnancy