Triiodothyronine resin uptake (T3RU) in Serum or Plasma   3050-2

LOINC Code


LOINC code3050-2
nameTriiodothyronine resin uptake (T3RU) in Serum or Plasma
descriptionResin & T3 added to patient serum. Proportion of tracer bound by solid matrix measured. Result for patient serum divided by that of reference serum to give ratio. This test has been replaced by thyroid hormone binding ratio test.
statusACTIVE

Fully-Specified Name

componentTriiodothyronine resin uptake (T3RU)
propertyNFr  =  Number Fraction
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
method

Additional Names

short nameT3RU NFr SerPl

Basic Attributes

classCHEM
type1  Laboratory
order vs. observationBoth
example UCUM units%
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 unit%

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.

History/Usage

test rank716 of 2000 most commonly performed tests by labs in USA
order rank69 of 2000 most commonly ordered tests by labs in USA
first released
last updated2.73
last change typeMIN  - change to field other than name

Related Names

Chemistry
Endocrine
Endocrinology
Number Fraction
Percent
Pl
Plasma
Plsm
Point in time
QNT
Quan
Quant
Quantitative
Random
RT3U
SerP
SerPl
SerPlas
Serum
Serum or plasma
SR
T uptake
T3
T-3
T3 binding ratio
T3 RU
T3 uptake
T3RU
T3uptake
thyroid hormone
Total T3
Triiodothyroinine uptake
Triodothyrne
UniversalLabOrders

Copyright © 2024 Regenstrief Institute, Inc. All Rights Reserved. To the extent included herein, the LOINC table and LOINC codes are copyright © 1995-2024, 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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