LOINC
Version 2.67

11851-3Fetal Head Diameter.occipito-frontal USActive

Term Description

Distance from frontal to occipital bone measured in same plane as biparietal diameter. Authors vary but seems most reasonable to use outer to outer edge in determining circumference. Measurement used to derive circumference and cephalic index.
Source: Regenstrief LOINC

Part Description

LP34037-9   Head US
An ultrasound study that determines position and size of several brain structures. Investigates suspected disease of soft tissues of the brain and spinal cord. Source: Regenstrief LOINC

Fully-Specified Name

Component
Diameter.occipito-frontal
Property
Len
Time
Pt
System
Head^Fetus
Scale
Qn
Method
US.measured

Additional Names

Short Name
Fet Head OFD US.meas

Basic Attributes

Class
OB.US
Type
Clinical
First Released
Version 1.0j-a
Last Updated
Version 2.58
Order vs. Observation
Observation

Language Variants Get Info

zh-CNChinese (CHINA)
直径.枕骨-额骨:长度:时间点:头部^胎儿:定量型:超声.测量法
it-ITItalian (ITALY)
Diametro.occipito-frontale:Len:Pt:Testa^feto:Qn:Ecografia.misurata
pt-BRPortuguese (BRAZIL)
Diâmetro.occípito-frontal:Comprimento:Pt:Crânio^feto:Qn:US.mensurado
ru-RURussian (RUSSIAN FEDERATION)
Диаметр.затылочно-лобный:Дл:ТчкВрм:Голова^Плод:Колич:УЗ.измеренный
es-ARSpanish (ARGENTINA)
diámetro.frontoccipital:longitud:punto en el tiempo:cabeza^feto:cuantitativo:ultrasonido.medido

Example Units

Unit Source
cm Example UCUM Units
cm REGENSTRIEF

LOINC FHIR® API Example - CodeSystem Request Get Info

https://fhir.loinc.org/CodeSystem/$lookup?system=http://loinc.org&code=11851-3