LOINC
Version 2.71

33115-7Gestational age estimated from Head circumference on US by Merz 1988 methodActive

Part Description

LP19507-0   Gestational age
The age of the conceptus, beginning from the time of fertilization. In clinical obstetrics, the gestational age is often estimated as the time from the last day of the last menstruation which is about 2 weeks before ovulation and fertilization. Source: National Library of Medicine, MeSH 2006

Fully-Specified Name

Component
Gestational age
Property
Time
Time
Pt
System
^Fetus
Scale
Qn
Method
US+Estimated from HC.Merz 1988

Additional Names

Short Name
GA from HC.Merz88

Basic Attributes

Class
OB.US
Type
Clinical
First Released
Version 2.09
Last Updated
Version 2.70
Order vs. Observation
Observation

Reference Information

Type Source Reference
Book Regenstrief Institute Merz EA. Sonographische Uberwachung der fetalen Knochenentwicklung im II. und III. Trimenon. Eine Studie uber das Wachstum der langen Rohrenknochen im Vergleich zum Kopf- und Rumpfwachstum sowie uber die Verwendungsmoglichkeiten der fetalen Knochenlange im Rahmen der geburtshilflichen Ultraschalluntersuchun. 1988. Table. Habilitationsschrift, Universitats-Frauenklinik Mainz.

Member of these Groups

LG50112-8 Gestational ageTime^Fetus

Language Variants Get Info

zh-CNChinese (China)
孕龄:时间:时间点:^胎儿:定量型:超声+依据头围的估计法.Merz.88
fr-BEFrench (Belgium)
Age gestationnel:Durée:Temps ponctuel:^Foetus:Quantitatif:US.estimé selon HC.Merz 1988
it-ITItalian (Italy)
Età gestazionale:Tempo:Pt:^feto:Qn:Ecografia.stimata da HC.Merz 1988
pt-BRPortuguese (Brazil)
Idade gestacional:Tempo:Pt:^Feto:Qn:US.estimado pela circunferência craniana.Merz.88
es-ARSpanish (Argentina)
US.ESTIMATED FROM HC.MERZ.88:tiempo:punto en el tiempo:^feto:cuantitativo:US.ESTIMATED FROM HC.MERZ.88

Example Units

Unit Source
d Example UCUM Units

LOINC FHIR® API Example - CodeSystem Request Get Info

https://fhir.loinc.org/CodeSystem/$lookup?system=http://loinc.org&code=33115-7