| 42464-8 | Fetal Narrative Study observation.general 1st trimester, multiple fetuses US |
| 42465-5 | Fetal Narrative Study observation.general 2nd trimester, multiple fetuses US |
| 42466-3 | Fetal Narrative Study observation.general 3rd trimester, multiple fetuses US |
| 42467-1 | Fetal Narrative Study observation.general.limited, multiple fetuses US |
| 42479-6 | Fetal Narrative Study observation general, multiple fetuses US |
| 92568-5 | Fetal Chorion |
| 97103-6 | Zygosity in Fetuses (molecular genetics method) |
| 98031-8 | Body weight discordance in multiple fetuses US+Calculated |
| 98032-6 | Fetal body weight/Heaviest fetus body weight US+Calculated |