| CLASS | OB.US | LP7830-5 |
| COMPONENT | Gestational age | LP19507-0 |
| PROPERTY | Time | LP6879-3 |
| TIME_ASPCT | Pt | LP6960-1 |
| SYSTEM | ^Fetus | LP310004-9 |
| SCALE_TYP | Qn | LP7753-9 |
| METHOD_TYP | US+Estimated from TCD.Hill 1990 | LP32382-1 |
| parent | Gestational age | Fetus | OB ultrasound | LP416279-0 |
| CLASSTYPE | Clinical class | |
| ORDER_OBS | Observation | |
| EXAMPLE_UNITS | days | |
| EXAMPLE_UCUM_UNITS | d | |
| UNITSREQUIRED | N |
| LONG_COMMON_NAME | en-US | Gestational age estimated from Transverse cerebral diameter on US by Hill 1990 method |
| LONG_COMMON_NAME | en-US | Gestational age estimated from Transverse cerebral diameter on US by Hill 1990 method |
| SHORTNAME | en-US | GA from TCD.Hill90 |
| SHORTNAME | es-AR | US.ESTIMATED FROM TCD.HILL.90:tiempo:punto en el tiempo:^feto:cuantitativo:US.ESTIMATED FROM TCD.HILL.90 |
| SHORTNAME | pt-BR | GA from TCD.Hill90 |
| LONG_COMMON_NAME | es-MX | Edad gestacional: Feto:Punto temporal:Tiempo:Cuantitativo:US+Estimated from TCD.Hill 1990 |
LOINC Version: 2.77
FHIR