| CLASS | OB.US | LP7830-5 |
| COMPONENT | Perimeter | LP70910-2 |
| PROPERTY | Len | LP6822-3 |
| TIME_ASPCT | Pt | LP6960-1 |
| SYSTEM | Head^fetus | LP30023-3 |
| SCALE_TYP | Qn | LP7753-9 |
| METHOD_TYP | US.traced | LP6740-7 |
| parent | Perimeter | Fetus | Head | OB ultrasound | LP416303-8 |
| CLASSTYPE | Clinical class | |
| ORDER_OBS | Observation | |
| EXAMPLE_UNITS | cm | |
| EXAMPLE_UCUM_UNITS | cm | |
| UNITSREQUIRED | Y |
| LONG_COMMON_NAME | en-US | Fetal Head Circumference US.traced |
| LONG_COMMON_NAME | en-US | Fetal Head Circumference US.traced |
| SHORTNAME | en-US | Fet Head Circum US.traced |
| SHORTNAME | es-AR | US.TRACED:longitud:punto en el tiempo:cabeza^feto:cuantitativo:US.TRACED |
| SHORTNAME | pt-BR | Fet Head Circum US.traced |
| LONG_COMMON_NAME | es-MX | Perímetro:Cabeza feto:Punto temporal:Len:Cuantitativo:US.traced |
LOINC Version: 2.77
FHIR