Version 2.78

Part Description

LP14729-5   PHENobarbital
Phenobarbital is an antiepileptic drug first introduced for clinical use in 1912. It is still used to treat most seizures except for absence seizure types. The CYP2C19 enzyme metabolizes phenobarbital to p-hydroxyphenobarbital which is then excreted as glucuronide. Phenobarbital induces secretion of liver enzymes which can impact the efficacy of drugs administered at the same time. The most common side effect of phenobarbital in adults with blood levels greater than 40 mg/L is sedation. Phenobarbital is an active metabolite of primidone and so must also be monitored in patients on primidone.(Tietz Fundamentals of Clinical Chemistry and Molecular Diagnostics, Seventh Edition; Carl A. Burtis; David E. Bruns) Source: Regenstrief LOINC

Fully-Specified Name

Component
PHENobarbital
Property
PrThr
Time
Pt
System
Urine
Scale
Ord
Method

Additional Names

Long Common Name
PHENobarbital [Presence] in Urine
Short Name
Phenobarb Ur Ql
Display Name
PHENobarbital Ql (U)
Consumer Name Alpha Get Info
PHENobarbital, Urine

Basic Attributes

Class
DRUG/TOX
Type
Laboratory
First Released
Version 1.0
Last Updated
Version 2.73
Change Reason
The Property has been changed from ACnc to reflect the new model for ordinal terms where results are based on a cut-off value.; The PrThr property is used for LOINC terms whose results are reported using an ordered categorical scale, regardless of whether or not an internal threshold was used to make that determination. This change was approved by the Laboratory LOINC Committee in June 2016.
Order vs. Observation
Both
Common Test Rank Get Info
3999

Language Variants Get Info

Tag Language Translation
el-GR Greek (Greece) Φαινοβαρβιτάλη:PrThr:Χρονική στιγμή:Ούρα:Τακτική:
es-AR Spanish (Argentina) fenobarbital:concentración arbitraria:punto en el tiempo:orina:ordinal:
es-ES Spanish (Spain) Fenobarbital:PrThr:Punto temporal:Orina:Ord:
es-MX Spanish (Mexico) FENobarbital:Presencia o umbral:Punto temporal:Orina:Ordinal:
et-EE Estonian (Estonia) Fenobarbitaal:PrThr:Pt:U:Ord:
Synonyms: Järgarvuline Juhuslik Uriin
fr-CA French (Canada) Phénobarbital:Présence-Seuil:Temps ponctuel:Urine:Ordinal:
fr-FR French (France) Phénobarbital:Présence/Seuil:Ponctuel:Urine:Qualitatif:
fr-BE French (Belgium) Phénobarbital:PrThr:Temps ponctuel:Urine:Ordinal:
it-IT Italian (Italy) Fenobarbital:PrThr:Pt:Urine:Ord:
Synonyms: Livelli farmacologici e tossicologia Presenza o Soglia Punto nel tempo (episodio)
ko-KR Korean (Korea, Republic Of) 페노바르비탈:임의농도:검사시점:뇨:순위척도:
nl-NL Dutch (Netherlands) fenobarbital:aanwezigheid:moment:urine:ordinaal:
pt-BR Portuguese (Brazil) Fenobarbital:ACnc:Pt:Urina:Ord:
Synonyms: ; Phenobarb; Nirvonal; Luminal; Arbitrary concentration; Point in time; Random; Ur; UR; Urn; UA; Ql; Ordinal; QL; Qualitative; Qual; Screen; Drugs; DRUG/TOXICOLOGY; DRUG/TOXICOLOGY
ru-RU Russian (Russian Federation) Фенобарбитал:PrThr:ТчкВрм:Моча:Пор:
Synonyms: Порядковый Точка во времени;Момент
tr-TR Turkish (Turkey) Fenobarbital:MevcEşik:Zmlı:İdrar:Srl:
Synonyms: Mevcut
zh-CN Chinese (China) 苯巴比妥:存在情况或阈值:时间点:尿液:序数型:
Synonyms: C12H12N2O3;苯巴比妥米那;鲁米那;苯基巴比妥;本巴比妥 依次型;分类顺序型;定性的;序数型（或称等级型）;性质上的;有序型;有序性分类应答;有序性分类结果;秩次型;等级型;筛查;顺序型 存在情况;存在;存在与否;是否存在;阈值;界值;界限;阀值;临界值;存在情况（存在、存在与否、是否存在）或阈值（界值、界限、阀值、临界值） 尿;小便;下泉 时刻;随机;随意;瞬间 毒品 毒品类 药品类 药物 药物/毒理学;药物/毒理学试验;药物毒理学试验;药物毒理学试验类 药物类

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

CodeSystem lookup
https://fhir.loinc.org/CodeSystem/$lookup?system=http://loinc.org&code=3949-5