Thyroxine (T4) [Mass/volume] in Serum or Plasma by Immunoassay   83119-8

LOINC Code


LOINC code83119-8
nameThyroxine (T4) [Mass/volume] in Serum or Plasma by Immunoassay
descriptionThis term was created for, but is not limited in use to, bioMerieux's VIDAS T4 assay, which is intended for the quantitative measurement of thyroxine (T4) in human serum or plasma.
statusACTIVE

Fully-Specified Name

componentThyroxine
propertyMCnc  =  Mass Concentration
timePt  =  Point in time:  To identify measures at a point in time. This is a synonym for “spot” or “random” as applied to urine measurements.
systemSer/Plas
    Ser  =  Serum
    Plas  =  Plasma
scaleQn  =  Quantitative:  The result of the test is a numeric value that relates to a continuous numeric scale. Reported either as an integer, a ratio, a real number, or a range. The test result value may optionally contain a relational operator from the set {<=, <, >, >=}. Valid values for a quantitative test are of the form "7", "-7", "7.4", "-7.4", "7.8912", "0.125", "<10", "<10.15", ">12000", 1-10, 1:256
methodIA  =  Immunoassay:  Encompasses all immunoassays with a few exceptions, including Immune Blot and Immune Fluorescence, which were created based on historic usage.

Additional Names

short nameT4 SerPl IA-mCnc

Basic Attributes

classCHEM
type1  Laboratory
order vs. observationBoth
example UCUM unitsug/L
The Unified Code for Units of Measure (UCUM) is a code system intended to include all units of measures being contemporarily used in international science, engineering, and business (www.unitsofmeasure.org)
example unitug/L

Associated Observations

LOINC codes that represent optional associated observation(s) for a clinical observation or laboratory test. A LOINC term may represent a single associated observation or panel containing several associated observations.

Member of these Groups

LG12009-3Thyroxine|MCnc|Pt|ANYBldSerPl
LG46373-3Thyroxine|Pt|Ser/Plas|IA|776.874 g/mole

History/Usage

first released
last updated2.58
last change typeADD  - added

Related Names

Chemistry
EIA
ELFA
ELISA
Endocrine
Endocrinology
Enzyme immunoassay
IAA
Level
Levothyroxine
Levo-thyroxine
L-thyroxine
Mass concentration
MEIA
Pl
Plasma
Plsm
Point in time
QNT
Quan
Quant
Quantitative
Random
SerP
SerPl
SerPlas
Serum
Serum or plasma
SR
SUDS
T4
T-4
thyroid hormone
Thyrox
Thyroxin
Thyrx
Total T4
TT4

Copyright © 2023 Regenstrief Institute, Inc. All Rights Reserved. To the extent included herein, the LOINC table and LOINC codes are copyright © 1995-2023, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee. See https://loinc.org/license for the full LOINC copyright and license.

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