Version 2.74

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

Type Source Reference
Mapping Guidance Regenstrief Help This term is preferred over the two separate terms for gestational age in weeks [LOINC: 49051-6] and in days [LOINC: 49052-4] so that only one variable is used. Mapper’s Guide for the Top 2000 plus LOINC Laboratory Observations

Fully-Specified Name

Component
Gestational age
Property
Time
Time
Pt
System
^Fetus
Scale
Qn
Method

Additional Names

Short Name
GA

Basic Attributes

Class
OB.US
Type
Clinical
First Released
Version 1.0l
Last Updated
Version 2.73
Order vs. Observation
Observation
Common Test Rank
1105

Member of these Panels

LOINC Long Common Name
76478-7 Acetylcholinesterase panel - Amniotic fluid
58735-2 Alpha-1-Fetoprotein panel - Amniotic fluid
48802-3 Alpha-1-Fetoprotein panel - Serum or Plasma
75199-0 Congenital syphilis case investigation and report panel [CDC.CS]
49085-4 First and Second trimester integrated maternal screen panel
48798-3 First trimester maternal screen panel - Serum or Plasma
49086-2 First trimester maternal screen with nuchal translucency panel
49087-0 Maternal screen clinical predictors panel
96978-2 Noninvasive prenatal fetal aneuploidy and 22q11.2 deletion panel - Plasma cell-free+WBC DNA by Dosage of chromosome-specific cfDNA
75547-0 Noninvasive prenatal fetal aneuploidy and microdeletion panel based on Plasma cell-free+WBC DNA by Dosage of chromosome-specific circulating cell free (ccf) DNA
96977-4 Noninvasive prenatal fetal aneuploidy panel - Plasma cell-free+WBC DNA by Dosage of chromosome-specific cfDNA
100230-2 Routine prenatal assessment panel
48799-1 Second trimester penta maternal screen panel - Serum or Plasma
48800-7 Second trimester quad maternal screen panel - Serum or Plasma
35086-8 Second trimester triple maternal screen panel - Serum or Plasma

Member of these Groups

LOINC Group Group Name
LG50112-8 Gestational ageTime^Fetus

Language Variants

Tag Language Translation
zh-CN Chinese (China) 孕龄:时间:时间点:^胎儿:定量型:
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
es-AR Spanish (Argentina) edad gestacional:tiempo:punto en el tiempo:^feto:cuantitativo:
et-EE Estonian (Estonia) Raseduse kestus:Aeg:Pt:^loode:Qn:
Synonyms: Juhuslik Kvantitatiivne
pt-BR Portuguese (Brazil) Idade gestacional:Tempo:Pt:^Feto:Qn:
Synonyms: ; GA; Point in time; Random; Fet; Fetal; Quantitative; QNT; Quant; Quan; Gest; Gestation; Prenatal; OBSTERICAL.ULTRASOUND; OBSTERICAL.ULTRASOUND; Obstetrical; Obstetrics
es-ES Spanish (Spain) Edad gestacional:Tiempo:Punto temporal:^Feto:Qn:
it-IT Italian (Italy) Età gestazionale:Tempo:Pt:^feto:Qn:
Synonyms: Ecografia ostetrica Punto nel tempo (episodio) Tempo (e.g. secondi)
fr-FR French (France) Âge gestationnel:Temps:Ponctuel:Concerne le foetus:Numérique:
tr-TR Turkish (Turkey) Doğurma yaşı:Süre:Zmlı:^Fetus:Kant:
Synonyms: Gestasyonel yaş
ru-RU Russian (Russian Federation) Гестационный возраст:Время:ТчкВрм:^Плод:Колич:
Synonyms: Время (в т.ч. в секундах) Гестационный срок Количественный Точка во времени;Момент
nl-NL Dutch (Netherlands) zwangerschapsduur:tijd:moment:^foetus:kwantitatief:
fr-BE French (Belgium) Age gestationnel:Durée:Temps ponctuel:^Foetus:Quantitatif:
es-MX Spanish (Mexico) Edad gestacional:Tiempo:Punto temporal:^ Feto:Cuantitativo:

Example Units

Unit Source
week REGENSTRIEF
wk Example UCUM Units

LOINC Terminology Service (API) using HL7® FHIR®

CodeSystem lookup
https://fhir.loinc.org/CodeSystem/$lookup?system=http://loinc.org&code=18185-9