| 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.estimated from Merz 1988 | LP32362-3 |
| parent | Perimeter | Fetus | Head | OB ultrasound | LP416303-8 |
| CLASSTYPE | Clinical class | |
| ORDER_OBS | Observation | |
| EXAMPLE_UNITS | mm | |
| EXAMPLE_UCUM_UNITS | mm | |
| UNITSREQUIRED | N |
| LONG_COMMON_NAME | en-US | Fetal Head Circumference estimated from gestational age by method of Merz 1988 (US) |
| LONG_COMMON_NAME | en-US | Fetal Head Circumference estimated from gestational age by method of Merz 1988 (US) |
| SHORTNAME | en-US | Fet Head Circum from GA.Merz88 |
| SHORTNAME | es-AR | US.ESTIMATED FROM MERZ.88:longitud:punto en el tiempo:cabeza^feto:cuantitativo:US.ESTIMATED FROM MERZ.88 |
| SHORTNAME | pt-BR | Fet Head Circum from GA.Merz88 |
| LONG_COMMON_NAME | es-MX | Perímetro:Cabeza feto:Punto temporal:Len:Cuantitativo:US.estimated from Merz 1988 |
LOINC Version: 2.77
FHIR