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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

Reference Information

TypeSourceReference
ArticleNCBI PubMedMerz 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

LOINC Names Get Info

Fully-Specified Name
Gestational age:Time:Pt:^Fetus:Qn:US+Estimated from FL.Merz 1987
Long Common Name
Gestational age estimated from Femur length on US by Merz 1987 method
Short Name
GA from FL.Merz87

Part Model Get Info

  • Component
    Gestational age
    LP19507-0
    • Analyte
      Gestational age
      LP19507-0
      • Component Numerator
        Gestational age
        LP19507-0
        • Component Numerator Core
          Gestational age
          LP19507-0
        • Component Numerator Core Suffix
          NULL
           
      • Component Denominator
        NULL
         
        • Component Denominator Core
          NULL
           
        • Component Denominator Core Suffix
          NULL
           
    • Challenge
      NULL
       
    • Adjustment
      NULL
       
    • Count
      NULL
       
  • Property
    Time
    LP6879-3
  • Time
    Pt
    LP6960-1
  • System
    ^Fetus
    LP310004-9
    • System Core
      NULL
       
    • Super System
      Fetus
      LP6982-5
  • Scale
    Qn
    LP7753-9
  • Method
    US+Estimated from FL.Merz 1987
    LP6708-4

Basic Attributes

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

Formula (Readable)

Lookup table

Member of these Groups Get Info

LOINC GroupGroup Name
LG50112-8Gestational ageTime^Fetus

Language Variants Get Info

TagLanguageTranslation
el-GRGreek (Greece)Ηλικία κύησης:Time:Pt:^Έμβρυο:Qn:Υπερηχογράφημα+Εκτιμώμενο βάσει μήκους περόνης.Merz 1987
Synonyms: - OB.US Pt Qn Time Εκτιμώμενο Έμβρυο Ηλικία Ηλικία κύησης ΗΠΑ Υπερηχογράφημα+Εκτιμώμενο Υπερηχογράφημα+Εκτιμώμενο βάσει μήκους περόνης Υπερηχογράφημα+Εκτιμώμενο βάσει μήκους περόνης.Merz 1987
es-ARSpanish (Argentina)US.ESTIMATED FROM FL.MERZ.87:tiempo:punto en el tiempo:^feto:cuantitativo:US.ESTIMATED FROM FL.MERZ.87
es-MXSpanish (Mexico)Edad gestacional:Tiempo:Punto temporal:^ Feto:Cuantitativo:US+Estimated from FL.Merz 1987
fr-BEFrench (Belgium)Age gestationnel:Durée:Temps ponctuel:^Foetus:Quantitatif:US.estimé sur FL .Merz 1987
it-ITItalian (Italy)Età gestazionale:Tempo:Pt:^feto:Qn:Ecografia.stimata da FL.Merz 1987
Synonyms: Eco Ecografia ostetrica Punto nel tempo (episodio) Tempo (e.g. secondi)
pt-BRPortuguese (Brazil)Idade gestacional:Tempo:Pt:^Feto:Qn:US.estimado pelo comprimento do fêmur.Merz.87
Synonyms: ; GA; Point in time; Random; Fet; Fetal; Quantitative; QNT; Quant; Quan; from FL.Merz87; 87; from FL.Merz87; Femur Length; US.est; predicted; Ultrasound; ULS; Sonogram; Sonography; Sonograph; Echography; Est; estimation; Gest; Gestation; Prenatal; OBSTERICAL.ULTRASOUND; OBSTERICAL.ULTRASOUND; Obstetrical; Obstetrics
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.Merz.87
Synonyms: FL 产科 产科.超声;产科.超声.印象与测量指标;产科学.超声;产科学.超声.印象与测量指标;产科学检查与测量指标.超声.印象与测量指标;产科学超声印象与测量指标 产科学 受孕 受孕期 受孕期的 受孕的 可用数量表示的;定量性;数值型;数量型;连续数值型标尺 妊娠 妊娠期的 妊娠的 怀卵 怀卵期 怀卵期的 怀卵的 怀孕 怀孕期 怀孕期的 怀孕的 时刻;随机;随意;瞬间 时间(如秒);时间(如秒数) 股骨长 股骨长度（Femur Length，FL） 胎;超系统 - 胎儿 胎龄;Gestational Age;GA 胎龄估计法;孕龄估计法 超声.依据股骨长度的胎龄估计法.Merz.87;超声.依据股骨长度的胎龄估计法.Merz 1987;超声.依据股骨长度的胎龄估计法.Merz87 超声.依据股骨长度的胎龄估计法;超声.依据FL的胎龄估计法;超声.依据股骨长度(Femur Length, FL)的胎龄估计法 超声.胎龄估计法 超声检查方法;超声检查法;超声波;超声波检查方法;超声波检查法

Example Units

UnitSource
dExample UCUM Units

LOINC Terminology Service (API) using HL7® FHIR® Get Info

CodeSystem lookup
https://fhir.loinc.org/CodeSystem/$lookup?system=http://loinc.org&code=11924-8