| CLASS | OB.US | LP7830-5 |
| COMPONENT | Diameter.outer to outer | LP72455-6 |
| PROPERTY | Len | LP6822-3 |
| TIME_ASPCT | Pt | LP6960-1 |
| SYSTEM | Head^fetus | LP30023-3 |
| SCALE_TYP | Qn | LP7753-9 |
| METHOD_TYP | US.measured | LP6731-6 |
| parent | Diameter.outer to outer | Fetus | Head | OB ultrasound | LP416262-6 |
| CLASSTYPE | Clinical class | |
| ORDER_OBS | Observation | |
| EXAMPLE_UNITS | cm | |
| EXAMPLE_UCUM_UNITS | cm | |
| UNITSREQUIRED | Y | |
| STATUS | ACTIVE |
| LONG_COMMON_NAME | en-US | Fetal Head Diameter.outer to outer US |
| LONG_COMMON_NAME | en-US | Fetal Head Diameter.outer to outer US |
| SHORTNAME | en-US | Fet Head Diam.O-O US.meas |
| SHORTNAME | es-AR | diámetro.tabla externa a tabla externa:longitud:punto en el tiempo:cabeza^feto:cuantitativo:ultrasonido.medido |
| SHORTNAME | pt-BR | Fet Head Diam.O-O US.meas |
| LONG_COMMON_NAME | es-MX | Diámetro de exterior a exterior:Cabeza feto:Punto temporal:Len:Cuantitativo:US.measured |
LOINC Version: 2.81