| parent | General terms | LP31418-4 |
| child | Trisomy 21 risk based on maternal age + Alpha-1-Fetoprotein + Choriogonadotropin + Estriol.unconjugated | LP57632-9 |
| child | Alpha-1-Fetoprotein | LP14331-0 |
| child | Trisomy 21 risk based on maternal age + Pregnancy associated plasma protein A + Choriogonadotropin + Nuchal translucency | LP63615-6 |
| child | Trisomy 21 risk cutoff | LP174096-0 |
| child | Fetal trisomy 21 risk | LP410748-0 |
| PartDisplayName | en-US | Trisomy 21 risk |
| DisplayName | en-US | Trisomy 21 risk |
LOINC Version: 2.77
FHIR