Version 2.78

Part Descriptions

LP18445-4   N-acetyl-L-aspartate
N-Acetylaspartic acid, or N-acetylaspartate (NAA), is a derivative of aspartic acid with a formula of C6H9NO5 and a molecular weight of 175.139. 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, N-acetyl-L-aspartate

LP18445-4   N-acetyl-L-aspartate
N-acetyl-L-aspartate (NAA) normally occurs in high concentrations in the brain tissue, and its function is not well-understood. An elevation of NAA in urine and plasma is a marker of Canavan disease, a rare genetic disorder characterized by hypotonia, severe cognitive delay, blindness, demyelination and leukodystrophy, and typically death by 18 months of life. Canavan disease is caused by a mutation in the ASPA gene, which encodes aspartoacylase, the enzyme that metabolizes NAA. [OMIM: 271900] Source: Regenstrief LOINC, OMIM: 271900

LP32035-5   Creatinine
Creatinine or creatine anhydride, is a breakdown product of creatine phosphate in muscle. The loss of water molecule from creatine results in the formation of creatinine. It is transferred to the kidneys by blood plasma, whereupon it is eliminated by glomular filtration and partial tubular excretion. Creatinine is usually produced at a fairly constant rate and measuring its serum level is a simple test. A rise in blood creatinine levels is observed only with marked damage to functioning nephrons; therefore this test is not suitable for detecting early kidney disease. Creatine and creatinine are metabolized in the kidneys, muscle, liver and pancreas. Copyright Copyright ©2005-2009 Genome Alberta (Reference to original publication: Wishart DS, Knox C, Guo AC, et al. HMDB: a knowledgebase for the human metabolome. Nucleic Acids Res. 2009 37(Database issue):D603-610.) Source: Human Metabolome Database, Creatinine

Fully-Specified Name

Component
N-acetyl-L-aspartate/Creatinine
Property
MRto
Time
Pt
System
Urine
Scale
Qn
Method

Additional Names

Short Name
N-Ac-L-Asp/Creat Ur
Display Name
N-acetyl-L-aspartate/Creatinine (U) [Mass ratio]
Consumer Name Alpha Get Info
N-acetyl-L-aspartate/Creatinine, Urine

Basic Attributes

Class
CHEM
Type
Laboratory
First Released
Version 1.0k
Last Updated
Version 2.73
Order vs. Observation
Both
Common Test Rank Get Info
16975

Language Variants Get Info

Tag Language Translation
es-AR Spanish (Argentina) N-acetilo-L-aspartato/creatinina:relación de concentración de masa:punto en el tiempo:orina:cuantitativo:
es-ES Spanish (Spain) N-acetil-L-aspartato/Creatinina:Relacion de Masa:Punto temporal:Orina:Qn:
Synonyms: Cuantitativo
es-MX Spanish (Mexico) N-acetil-L-aspartato / Creatinina:Relación de masa:Punto temporal:Orina:Cuantitativo:
et-EE Estonian (Estonia) N-atsetüül-L-aspartaat/kreatiniin:MRto:Pt:U:Qn:
Synonyms: Juhuslik Kvantitatiivne Uriin
fr-CA French (Canada) N-acétyl-l-aspartate/Créatinine:Ratio de masse:Temps ponctuel:Urine:Quantitatif:
fr-FR French (France) N-acétyl-L-aspartate/créatinine:Masse ratio:Ponctuel:Urine:Numérique:
fr-BE French (Belgium) N-acétyl-l-aspartate/Créatinine:Ratio de masse:Temps ponctuel:Urine:Quantitatif:
Synonyms: Rapport de masse
it-IT Italian (Italy) N-acetil-L-aspartato/Creatinina:MRto:Pt:Urine:Qn:
Synonyms: Chimica Punto nel tempo (episodio) Rapporto di Massa
ko-KR Korean (Korea, Republic Of) N-아세틸-L-아스파르테이트/크레아티닌:질량농도비:검사시점:뇨:정량:
nl-NL Dutch (Netherlands) N-acetyl-L-aspartaat/creatinine:massaverhouding:moment:urine:kwantitatief:
Synonyms: kreatinine
pt-BR Portuguese (Brazil) N-acetil-L-aspartato/Creatinina:MCrto:Pt:Urina:Qn:
Synonyms: ; N-Ac-L-Asp; NAA; N-Ac-L-Asp; Creat; CR; Asp; Aspartic acid; mRto; Mass concentration ratio; Point in time; Random; Ur; UR; Urn; UA; Quantitative; QNT; Quant; Quan; Left; Chemistry; UCr
ru-RU Russian (Russian Federation) N-ацетил-L-аспартат/Креатинин:МассОтн:ТчкВрм:Моча:Колич:
Synonyms: Количественный Масс отношение Точка во времени;Момент
tr-TR Turkish (Turkey) N-asetil-L-aspartat/Kreatinin:KütlOr:Zmlı:İdrar:Kant:
zh-CN Chinese (China) N-乙酰-L-天门冬氨酸/肌酐:质量比率:时间点:尿液:定量型:
Synonyms: Asp;天冬氨酸;门冬氨酸 CR;Creat;肌氨酸酐;肌酸内酰胺;肌酸酐 N 型 NAA;N-Ac-L-Asp;N-乙酰-L-天冬氨酸;N-乙酰-L-门冬氨酸;氮-乙酰基-L-天门冬氨酸 UCr 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 尿;小便;下泉 尿液肌酐 尿液肌酸酐 尿肌酸酐 左 左侧 左侧（Left，L） 时刻;随机;随意;瞬间 来自于同一体系的两种分析物的质量之比;质量比 肌酸内酰胺

Example Units

Unit Source
mg/g{creat} Example UCUM Units

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

CodeSystem lookup
https://fhir.loinc.org/CodeSystem/$lookup?system=http://loinc.org&code=13779-4