Z3A.2 Weeks of gestation of pregnancy, weeks 20-29Non-billable header with 10 child codes.
Z3A.20 20 weeks gestation of pregnancyZ3A.21 21 weeks gestation of pregnancyZ3A.22 22 weeks gestation of pregnancyZ3A.23 23 weeks gestation of pregnancyZ3A.24 24 weeks gestation of pregnancyZ3A.25 25 weeks gestation of pregnancyZ3A.26 26 weeks gestation of pregnancyZ3A.27 27 weeks gestation of pregnancyZ3A.28 28 weeks gestation of pregnancyZ3A.29 29 weeks gestation of pregnancyZ3A.15 15 weeks gestation of pregnancyZ3A.16 16 weeks gestation of pregnancyZ3A.17 17 weeks gestation of pregnancyZ3A.18 18 weeks gestation of pregnancyZ3A.19 19 weeks gestation of pregnancyZ3A.2 Weeks of gestation of pregnancy, weeks 20-29 (this code)Z3A.20 20 weeks gestation of pregnancyZ3A.21 21 weeks gestation of pregnancyZ3A.22 22 weeks gestation of pregnancyZ3A.23 23 weeks gestation of pregnancyZ3A.24 24 weeks gestation of pregnancy