Version 2.73

6799-1Tricyclic antidepressants [Presence] in Urine by ImmunoassayActive

Part Descriptions

LP14735-2   Tricyclic antidepressants
Tricyclic antidepressants (TCA) are a class of drugs first used in the 1950s. They are named after the drugs' molecular structure, which contains three molecular rings (compared to tetracyclic antidepressants). 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, Tricyclic antidepressants (Wikipedia)

LP14735-2   Tricyclic antidepressants
Tricyclic antidepressants get their name from their three ringed molecular structure. The primary use of tricyclic antidepressants is to treat depression as well as neuralgic pain, chronic pain, and migraine prophylaxis. In children, tricyclic antidepressants are used to treat enuresis, obsessive-compulsive disorder, attention deficit hyperactivity disorder, school phobia, and separation anxiety. These drugs are are taken orally and are absorbed by the liver and then excreted through the kidneys. Tricyclic antidepressants block the absorption of neurotransmitters at nerve terminals, which makes the neurotransmitters more available in the brain. [MEDSCAPE_EMED:819204] Source: Regenstrief LOINC

Fully-Specified Name

Tricyclic antidepressants

Additional Names

Short Name
Tricyclics Ur Ql IA
Display Name
Tricyclic antidepressants IA Ql (U)
Consumer Name Alpha
Tricyclic antidepressants, Urine

Basic Attributes

First Released
Version 1.0h(2)
Last Updated
Version 2.73
Change Reason
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.; The EIA method, which was always intended to cover more than just enzyme-linked immunoassay and whose display name for the long common name has always been Immunoassay, was renamed IA in order to eliminate ambiguity about whether the method has a broader meaning than just enzyme-linked immunoassay. Likewise, EIA.rapid was renamed IA.rapid. These changes were approved by the Laboratory LOINC Committee in June 2016.
Order vs. Observation
Common US Lab Results Rank

Member of these Groups

LG590-6 Tricyclic antidepressants|PrThr|Pt|ANYUrine

Language Variants Get Info

zh-CNChinese (China)
nl-NLDutch (Netherlands)
tricyclische antidepressiva:aanwezigheid:moment:urine:ordinaal:immunoassay
et-EEEstonian (Estonia)
Tritsüklilised antidepressandid:PrThr:Pt:U:Ord:IA
fr-BEFrench (Belgium)
Antidépresseurs tricycliques:PrThr:Temps ponctuel:Urine:Ordinal:IA
fr-CAFrench (Canada)
Antidépresseurs tricycliques:Présence-Seuil:Temps ponctuel:Urine:Ordinal:IA
fr-FRFrench (France)
Antidépresseurs tricycliques:Présence/Seuil:Ponctuel:Urine:Qualitatif:Immunoanalyse
de-DEGerman (Germany)
Trizyklische Antidepressiva:Nachweis oder Schwellenwert:Zeitpunkt:Urin:Ordinal:Immunoassay
it-ITItalian (Italy)
Antidepressivi triciclici:PrThr:Pt:Urine:Ord:IA
ko-KRKorean (Korea, Republic of)
세고리 항우울제:임의농도:검사시점:뇨:순위척도:효소면역측정법
pt-BRPortuguese (Brazil)
Antidepressivos Tricíclicos:ACnc:Pt:Urina:Ord:Imunoensaio
ru-RURussian (Russian Federation)
Трициклические антидепрессанты:PrThr:ТчкВрм:Моча:Пор:IA
es-ARSpanish (Argentina)
antidepresivos tricíclicos:concentración arbitraria:punto en el tiempo:orina:ordinal:enzimoinmunoanálisis
es-MXSpanish (Mexico)
Antidepresivos tricíclicos:Presencia o umbral:Punto temporal:Orina:Ordinal:Inmunoensayo
es-ESSpanish (Spain)
Antidepresivos tricíclicos:PrThr:Punto temporal:Orina:Ord:IA
tr-TRTurkish (Turkey)
Trisiklik antidepresantlar:MevcEşik:Zmlı:İdrar:Srl:İA

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