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Term Description

This test measures the leucine level in patients who have been diagnosed with maple syrup urine disease are on a therapeutic diet for their condition. Depending on the lab, the leucine level may be used in combination with levels of other amino acids such as isoleucine, alloisoleucine, and valine to monitor the patient's progress.

Part Descriptions

LP15699-9   Leucine
Leucine, an essential amino acid isomeric with isoleucine, is the most common amino acid found in proteins. It is required for optimal growth in infancy and childhood and for nitrogen equilibrium in adults. It is also involved in maintaining muscles mass by equalizing synthesis and breakdown of proteins. The major food sources of leucine are whole grains, milk and milk products, eggs, meat, soy beans, and leafy vegetables. Leucine toxicity, as seen in decompensated Maple Syrup Urine Disease (MSUD), causes delirium and neurologic compromise, and can be life-threatening. Copyright Text is available under the Creative Commons Attribution/Share-Alike License. See http://creativecommons.org/licenses/by-sa/3.0/ for details. Source: Wikipedia, Leucine (Wikipedia)

LP15699-9   Leucine
An essential branched-chain amino acid important for hemoglobin formation. Source: National Library of Medicine, MeSH 2006

LP15699-9   Leucine
Leucine is an essential nonpolar hydrophobic amino acid with a nonpolar branched-chain R group. It is increased with Maple Syrup Urine Disease (MSUD). (Information from ARUP Laboratories 9/14/06) Source: Regenstrief Institute

LOINC Names Get Info

Fully-Specified Name
Leucine^post therapeutic diet:SCnc:Pt:Ser/Plas:Qn:
Long Common Name
Leucine [Moles/volume] in Serum or Plasma --post therapeutic diet
Short Name
Leucine p diet SerPl-sCnc
Display Name
Leucine post therapeutic diet [Moles/Vol]
Consumer Name Alpha Get Info
Leucine after Therapeutic Diet, Blood

Part Model Get Info

  • Component
    Leucine^post therapeutic diet
    LP306467-4
    • Analyte
      Leucine
      LP15699-9
      • Component Numerator
        Leucine
        LP15699-9
        • Component Numerator Core
          Leucine
          LP15699-9
        • Component Numerator Core Suffix
          NULL
           
      • Component Denominator
        NULL
         
        • Component Denominator Core
          NULL
           
        • Component Denominator Core Suffix
          NULL
           
    • Challenge
      post therapeutic diet
      LP174563-9
    • Adjustment
      NULL
       
    • Count
      NULL
       
  • Property
    SCnc
    LP6860-3
  • Time
    Pt
    LP6960-1
  • System
    Ser/Plas
    LP7576-4
    • System Core
      Ser/Plas
      LP7576-4
    • Super System
      NULL
       
  • Scale
    Qn
    LP7753-9
  • Method
    NULL
     

Basic Attributes

Class
CHEM
Type
Laboratory
First Released
Version 2.68
Last Updated
Version 2.68 (ADD)
Order vs. Observation
Both

Member of these Panels

LOINCLong Common Name
94566-7Maple syrup urine disease therapy monitoring panel - Serum or Plasma

Language Variants Get Info

TagLanguageTranslation
cs-CZCzech (Czechia)Leucin^Po terapeutická dietě:Látková koncentrace:Časový bod:Sérum/plazma:Kvantitativní:
el-GRGreek (Greece)Λευκίνη^κατόπιν θεραπευτικής διατροφής:SCnc:Pt:Ορός/Πλάσμα:Qn:
Synonyms: CHEM Pt Qn SCnc Δίαιτα κατόπιν θεραπευτικής διατροφής Λευκίνη Ορός Ορός/Πλάσμα Πλάσμα
es-ESSpanish (Spain)Leucina^post dieta terapéutica:Concentración de sustancia:Punto temporal:Suero o Plasma:Qn:
Synonyms: Cuantitativo
es-MXSpanish (Mexico)Leucina ^ dieta posterapéutica:Concentración de sustancias:Punto temporal:Suero o Plasma:Cuantitativo:
fr-FRFrench (France)Leucine^après régime thérapeutique:Moles/Volume:Ponctuel:Sérum/Plasma:Numérique:
it-ITItalian (Italy)Leucina^dieta post terapia:SCnc:Pt:Siero/Plasma:Qn:
Synonyms: Chimica Concentrazione di Sostanza Plasma Punto nel tempo (episodio) Siero Siero o Plasma
nl-NLDutch (Netherlands)leucine^na therapeutisch dieet:mol/volume:moment:serum of plasma:kwantitatief:
ru-RURussian (Russian Federation)Лейцин^после терапевтической диеты:МолКонц:ТчкВрм:Сыв/Плаз:Колич:
Synonyms: Количественный Молярность;Молярная объёмная концентрация Плазма Сыворотка Сыворотка или Плазма Точка во времени;Момент
tr-TRTurkish (Turkey)lösin^terapötik diyet snr:SubKons:Zmlı:Ser/Plaz:Kant:
zh-CNChinese (China)亮氨酸^在治疗性饮食之后:物质的量浓度:时间点:血清/血浆:定量型:
Synonyms: Leu;异己氨酸;白氨酸 XXX刺激 - 在...之后 之后于... 克分子浓度;克分子浓度(单位体积);摩尔浓度;摩尔浓度(单位体积);物质的量浓度(单位体积) 化学;化学检验项目;化学检验项目类;化学类;化学试验;非刺激耐受型化学检验项目;非刺激耐受型化学检验项目类;非刺激耐受型化学试验;非刺激耐受型化学试验类 可用数量表示的;定量性;数值型;数量型;连续数值型标尺 在...以后 在后 时刻;随机;随意;瞬间 治疗 治疗性的 治疗性饮食之后;之后于治疗性饮食;在治疗性饮食（治疗膳食、治疗饮食、治疗用饮食、食饵疗法饲料、疗用饲粮）之后 治疗的 疗效饮食;食饵疗法饲料;治疗膳食;治疗饮食 血清或血浆 饮食;日常饮食;日常食物;规定饮食;食谱

Example Units

UnitSource
nmol/mLExample UCUM Units

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

CodeSystem lookup
https://fhir.loinc.org/CodeSystem/$lookup?system=http://loinc.org&code=94569-1