| ICD-10 Code | Description |
| Z34.00 | Encounter for supervision of normal first pregnancy, unspecified trimester |
| Z34.01 | Encounter for supervision of normal first pregnancy, first trimester |
| Z34.02 | Encounter for supervision of normal first pregnancy, second trimester |
| Z34.03 | Encounter for supervision of normal first pregnancy, third trimester |
| Z34.80 | Encounter for supervision of other normal pregnancy, unspecified trimester |
| Z34.81 | Encounter for supervision of other normal pregnancy, first trimester |
| Z34.82 | Encounter for supervision of other normal pregnancy, second trimester |
| Z34.83 | Encounter for supervision of other normal pregnancy, third trimester |
| Z34.90 | Encounter for supervision of normal pregnancy, unspecified, unspecified trimester |
| Z34.91 | Encounter for supervision of normal pregnancy, unspecified, first trimester |
| Z34.92 | Encounter for supervision of normal pregnancy, unspecified, second trimester |
| Z34.93 | Encounter for supervision of normal pregnancy, unspecified, third trimester |
