Z3A.4 Weeks of gestation of pregnancy, weeks 40 or greaterNon-billable header with 4 child codes.
Z3A.40 40 weeks gestation of pregnancyZ3A.41 41 weeks gestation of pregnancyZ3A.42 42 weeks gestation of pregnancyZ3A.49 Greater than 42 weeks gestation of pregnancyZ3A.35 35 weeks gestation of pregnancyZ3A.36 36 weeks gestation of pregnancyZ3A.37 37 weeks gestation of pregnancyZ3A.38 38 weeks gestation of pregnancyZ3A.39 39 weeks gestation of pregnancyZ3A.4 Weeks of gestation of pregnancy, weeks 40 or greater (this code)Z3A.40 40 weeks gestation of pregnancyZ3A.41 41 weeks gestation of pregnancyZ3A.42 42 weeks gestation of pregnancyZ3A.49 Greater than 42 weeks gestation of pregnancy