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 PubMedMayden KL, Tortora M, Berkowitz RL, Bracken M, Hobbins JC. Orbital diameters: a new parameter for prenatal diagnosis and dating. Am J Obstet Gynecol. 1982 Oct 1;144(3):289-97. Table Link to PubMed

LOINC Names Get Info

Fully-Specified Name
Gestational age:Time:Pt:^Fetus:Qn:US+Estimated from OOD.Mayden 1982
Long Common Name
Gestational age estimated from Outer orbital distance on US by Mayden 1982 method
Short Name
GA from OOD.Mayden82

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 OOD.Mayden 1982
    LP32369-8

Basic Attributes

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

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 OOD.Mayden 1982
Synonyms: - OB.US Pt Qn Time Εκτιμώμενο Έμβρυο Ηλικία Ηλικία κύησης ΗΠΑ Υπερηχογράφημα+Εκτιμώμενο Υπερηχογράφημα+Εκτιμώμενο βάσει OOD.Mayden 1982
es-ARSpanish (Argentina)US.ESTIMATED FROM OOD.MAYDEN.82:tiempo:punto en el tiempo:^feto:cuantitativo:US.ESTIMATED FROM OOD.MAYDEN.82
es-MXSpanish (Mexico)Edad gestacional:Tiempo:Punto temporal:^ Feto:Cuantitativo:US+Estimated from OOD.Mayden 1982
fr-BEFrench (Belgium)Age gestationnel:Durée:Temps ponctuel:^Foetus:Quantitatif:US.estimé selon OOD.Mayden 1982
it-ITItalian (Italy)Età gestazionale:Tempo:Pt:^feto:Qn:Ecografia.stimata da OOD.Mayden 1982
Synonyms: Eco Ecografia ostetrica Punto nel tempo (episodio) Tempo (e.g. secondi)
pt-BRPortuguese (Brazil)Idade gestacional:Tempo:Pt:^Feto:Qn:US.estimado pelo diâmetro interorbital externo.Mayden.82
Synonyms: ; GA; Point in time; Random; Fet; Fetal; Quantitative; QNT; Quant; Quan; from OOD.Mayden82; 82; Outer orbital diameter; from OOD.Mayden82; 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+依据眼眶外距的估计法.Mayden.82
Synonyms: OOD 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) 眼眶外侧直径 眼眶外径(Outer Orbital Diameter,OOD) 胎;超系统 - 胎儿 胎龄;Gestational Age;GA 胎龄估计法;孕龄估计法 超声.依据眼眶外距的胎龄估计法.Mayden.82;超声.依据OOD的胎龄估计法.Mayden 1982;超声.依据OOD的胎龄估计法.Mayden.82;超声.依据OOD的胎龄估计法.Mayden82;超声.依据外眶距的胎龄估计法.Mayden 1982;超声.依据外眶距的胎龄估计法.Mayden.82;超声.依据外眶距的胎龄估计法.Mayden82;超声.依据眼眶外距的胎龄估计法.Mayden 1982;超声.依据眼眶外距的胎龄估计法.Mayden82 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=33124-9