LOINC
Version 2.71

11921-4Gestational age estimated from Femur length on US by Hansmann 1985 methodActive

Term Description

Table 7.17 in this reference gives predicted mean, 5th and 95th %-ile femur lengths in mm for gestational ages 12 weeks to 40 weeks rather than estimating gestational age from femur length.
Source: Regenstrief LOINC

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 FL.Hansmann 1985

Additional Names

Short Name
GA from FL.Hansmann85

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
Book Regenstrief Institute Hansmann M, Hackelöer B-J, Staudach A. Ultrasound Diagnosis in Obstetrics and Gynecology. Berlin: Springer-Verlag; 1986: 182.

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+依据股骨长度的估计法.Hansmann.85
fr-BEFrench (Belgium)
Age gestationnel:Durée:Temps ponctuel:^Foetus:Quantitatif:US.estimé sur FL.Hansmann 1985
it-ITItalian (Italy)
Età gestazionale:Tempo:Pt:^feto:Qn:Ecografia.stimata da FL.Hansmann 1985
pt-BRPortuguese (Brazil)
Idade gestacional:Tempo:Pt:^Feto:Qn:US.estimado pelo comprimento do fêmur.Hansmann.85
es-ARSpanish (Argentina)
US.ESTIMATED FROM FL.HANSMANN.85:tiempo:punto en el tiempo:^feto:cuantitativo:US.ESTIMATED FROM FL.HANSMANN.85

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=11921-4