Term Description

See Table II this reference for variance

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 PubMedHadlock FP, Deter RL, Harrist RB, Park SK. Estimating fetal age: computer-assisted analysis of multiple fetal growth parameters. Radiology. 1984;152(2):497-501. Link to PubMed

LOINC Names Get Info

Fully-Specified Name
Gestational age:Time:Pt:^Fetus:Qn:US+Estimated from AC.Hadlock 1984
Long Common Name
Gestational age estimated from Abdominal circumference on US by Hadlock 1984 method
Short Name
GA from AC.Hadlock84

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 AC.Hadlock 1984
    LP6665-6

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)

GESTATIONAL AGE [wk] = 8.14 + 0.753 * (abdominal circumference [cm]) + 0.0036 * (abdominal circumference [cm]) ^ 2

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 κοιλιακής περιφέρειας.Hadlock 1984
Synonyms: - OB.US Pt Qn Time Εκτιμώμενο Έμβρυο Ηλικία Ηλικία κύησης ΗΠΑ Υπερηχογράφημα+Εκτιμώμενο Υπερηχογράφημα+Εκτιμώμενο βάσει κοιλιακής περιφέρειας Υπερηχογράφημα+Εκτιμώμενο βάσει κοιλιακής περιφέρειας.Hadlock 1984
es-ARSpanish (Argentina)US.ESTIMATED FROM AC.HADLOCK.84:tiempo:punto en el tiempo:^feto:cuantitativo:US.ESTIMATED FROM AC.HADLOCK.84
es-MXSpanish (Mexico)Edad gestacional:Tiempo:Punto temporal:^ Feto:Cuantitativo:US+Estimated from AC.Hadlock 1984
fr-BEFrench (Belgium)Age gestationnel:Durée:Temps ponctuel:^Foetus:Quantitatif:US.estimé selon AC.Hadlock 1984
it-ITItalian (Italy)Età gestazionale:Tempo:Pt:^feto:Qn:Ecografia.stimata da AC.Hadlock 1984
Synonyms: Eco Ecografia ostetrica Punto nel tempo (episodio) Tempo (e.g. secondi)
pt-BRPortuguese (Brazil)Idade gestacional:Tempo:Pt:^Feto:Qn:US.estimado pela circunferência Acdominal.Hadlock.84
Synonyms: ; GA; Point in time; Random; Fet; Fetal; Quantitative; QNT; Quant; Quan; from AC.Hadlock84; 84; AC chart; from AC.Hadlock84; Acdominal circumference; 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+依据腹围的估计法.Hadlock.84
Synonyms: 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) 胎;超系统 - 胎儿 胎龄;Gestational Age;GA 胎龄估计法;孕龄估计法 超声.依据腹围的胎龄估计法.Hadlock.84;超声.依据AC的胎龄估计法.Hadlock.84;超声.依据腰围的胎龄估计法.Hadlock.84 超声.依据腹围的胎龄估计法;超声.依据AC的胎龄估计法;超声.依据腰围的胎龄估计法 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

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