Version 2.77

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

Book Reference

Nyberg DA, Hill LM, Bohm-Velez M, Mendelson EB. Transvaginal Ultrasound: Mosby-Year Book, Inc. St. Louis, 1992. Source: Regenstrief Institute

Fully-Specified Name

Gestational age
US+Estimated from GSL.Nyberg 1992

Additional Names

Short Name
GA from GSL.Nyberg 1992

Basic Attributes

First Released
Version 2.09
Last Updated
Version 2.70
Order vs. Observation

Formula (Readable)

Gestational age from Gestattonal Sac Length: GA = 0.132 * ; MSD(mm) + 4.299; MSD is mean sac diameter measured from all 3 dimensions (x,y,z) ; Derived input: 1.4 - 55.4 mm; Range: 4.5 to 12.1 Weeks

Member of these Groups Get Info

LOINC Group Group Name
LG50112-8 Gestational ageTime^Fetus

Language Variants Get Info

Tag Language Translation
es-AR Spanish (Argentina) US.ESTIMATED FROM GSL.NYBERG.92:tiempo:punto en el tiempo:^feto:cuantitativo:US.ESTIMATED FROM GSL.NYBERG.92
es-MX Spanish (Mexico) Edad gestacional:Tiempo:Punto temporal:^ Feto:Cuantitativo:US+Estimated from GSL.Nyberg 1992
fr-BE French (Belgium) Age gestationnel:Durée:Temps ponctuel:^Foetus:Quantitatif:US.estimé selon GSL.Nyberg 1992
it-IT Italian (Italy) Età gestazionale:Tempo:Pt:^feto:Qn:Ecografia.stimata da GSL.Nyberg 1992
Synonyms: Eco Ecografia ostetrica Punto nel tempo (episodio) Tempo (e.g. secondi)
pt-BR Portuguese (Brazil) Idade gestacional:Tempo:Pt:^Feto:Qn:US.estimado pelo comprimento do saco gestacional.Nyberg.92
Synonyms: ; GA; Point in time; Random; Fet; Fetal; Quantitative; QNT; Quant; Quan; 92; Gestational Sac Length; US.est; predicted; Ultrasound; ULS; Sonogram; Sonography; Sonograph; Echography; Est; estimation; Gest; Gestation; Prenatal; OBSTERICAL.ULTRASOUND; OBSTERICAL.ULTRASOUND; Obstetrical; Obstetrics
zh-CN Chinese (China) 孕龄:时间:时间点:^胎儿:定量型:超声+依据妊娠囊长度的估计法.Nyberg.92
Synonyms: GSL 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 妊娠囊长度(Gestational Sac Length,GSL) 妊娠期的 妊娠的 孕囊长 孕囊长度 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 胎囊长 胎囊长度 胎龄;Gestational Age;GA 胎龄估计法;孕龄估计法 超声.依据妊娠囊长度的胎龄估计法.Nyberg.92;超声.依据GSL的胎龄估计法.Nyberg 1992;超声.依据GSL的胎龄估计法.Nyberg.92;超声.依据GSL的胎龄估计法.Nyberg92;超声.依据妊娠囊长度的胎龄估计法.Nyberg 1992;超声.依据妊娠囊长度的胎龄估计法.Nyberg92 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

Unit Source
d Example UCUM Units

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

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