| ICD-10 Code | Description |
| Z3A.30 | 30 weeks gestation of pregnancy |
| Z3A.31 | 31 weeks gestation of pregnancy |
| Z3A.32 | 32 weeks gestation of pregnancy |
| Z3A.33 | 33 weeks gestation of pregnancy |
| Z3A.34 | 34 weeks gestation of pregnancy |
| Z3A.35 | 35 weeks gestation of pregnancy |
| Z3A.36 | 36 weeks gestation of pregnancy |
| Z3A.37 | 37 weeks gestation of pregnancy |
| Z3A.38 | 38 weeks gestation of pregnancy |
| Z3A.39 | 39 weeks gestation of pregnancy |
