LOINC
Version 2.71

11937-0Gestational age estimated from Humerus length on US by Merz 1987 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 HL.Merz 1987

Additional Names

Short Name
GA from HL.Merz.87

Basic Attributes

Class
OB.US
Type
Clinical
First Released
Version 1.0j-a
Last Updated
Version 2.52
Order vs. Observation
Observation

Formula (Readable)

Lookup table

Reference Information

Type Source Reference
Article NCBI PubMed Merz E, Kim-Kern MS, Pehl S. Ultrasonic mensuration of fetal limb bones in the second and third trimesters [published erratum appears in JCU 1987 Nov-Dec;15(9):704]. J Clin Ultrasound 1987;15(3):175-183. Link to PubMed

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+依据肱骨长度的估计法.Merz.87
fr-BEFrench (Belgium)
Age gestationnel:Durée:Temps ponctuel:^Foetus:Quantitatif:US.estimé sur HL .Merz 1987
it-ITItalian (Italy)
Età gestazionale:Tempo:Pt:^feto:Qn:Ecografia.stimata da HL.Merz 1987
pt-BRPortuguese (Brazil)
Idade gestacional:Tempo:Pt:^Feto:Qn:US.estimado pelo comprimento do úmero.Merz.87
es-ARSpanish (Argentina)
US.ESTIMATED FROM HL.MERZ.87:tiempo:punto en el tiempo:^feto:cuantitativo:US.ESTIMATED FROM HL.MERZ.87

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=11937-0