Version 2.78

Part Description

LP207910-3   free DRUG/TOX
The measurement of free (unbound) drug concentrations in plasma is important for certain drugs and has two advantages over measurement of total concentration: (1) the free concentration is independent of changes in plasma binding (e.g., due to changes in albumin), and (2) the free concentration is more directly related to both the efficacy and toxicity of the drug PMID: 6636249. For most drugs and the majority of patients, measuring the free and total concentrations is not necessary. However, for certain drugs, including some anticonvulsants and antibiotics, and specific patient populations, such as critically ill or immunosuppressed patients, the free concentration is a better indicator of therapeutic effect and potential toxicity. Source: Regenstrief LOINC

Fully-Specified Name

Component
Codeine.free
Property
PrThr
Time
Pt
System
TissCo
Scale
Ord
Method
Screen

Additional Names

Short Name
Codeine Free TissCo Ql Scn
Display Name
Codeine Free Screen Ql (Umb cord tissue)
Consumer Name Alpha Get Info
Free codeine, Umbilical cord tissue

Example Answer List: LL744-4

Source: Regenstrief Institute
Answer Code Score Answer ID
Detected LA11882-0
Not detected LA11883-8

Basic Attributes

Class
DRUG/TOX
Type
Laboratory
First Released
Version 2.70
Last Updated
Version 2.70
Order vs. Observation
Both

Member of these Groups Get Info

LOINC Group Group Name
LG51270-3 Codeine.free|ANYProp|ANYTm|ANYSys|ANYMeth

Language Variants Get Info

Tag Language Translation
es-MX Spanish (Mexico) Codeine.free:PrThr:Punto temporal:Tejido del Cordón Umbilical:Ordinal:Pantalla
es-ES Spanish (Spain) Codeina libre:PrThr:Punto temporal:Tejido de cordón umbilical:Ord:Cribado toxicológico
fr-FR French (France) Codéine libre:Présence/Seuil:Ponctuel:Tissu de cordon:Qualitatif:Dépistage
it-IT Italian (Italy) Codeina.libera:PrThr:Pt:TissCo:Ord:Screening
Synonyms: Codeina Libera Livelli farmacologici e tossicologia Presenza o Soglia Punto nel tempo (episodio) Screening tossicologico Tessuto del cordone ombelicale
nl-NL Dutch (Netherlands) codeïne.vrij:aanwezigheid:moment:weefsel van navelstreng:ordinaal:screening
zh-CN Chinese (China) 可待因.游离型:存在情况或阈值:时间点:脐带组织:序数型:毒理学筛查试验
Synonyms: C18H21NO3;吗啡甲醚;尼柯康;甲基吗啡 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 可待因.游离;游离可待因;游离型可待因 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） 时刻;随机;随意;瞬间 毒品 毒品类 游离 筛查 筛查方法;筛查法;筛查试验 筛查试验 筛选试验 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 过筛 过筛试验 非蛋白结合型 非蛋白质结合型

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

CodeSystem lookup
https://fhir.loinc.org/CodeSystem/$lookup?system=http://loinc.org&code=97236-4