Thyroxine (T4) [Mass/volume] in Serum or Plasma --4 hours post dose levothyroxine   90799-8

LOINC Code


LOINC code90799-8
nameThyroxine (T4) [Mass/volume] in Serum or Plasma --4 hours post dose levothyroxine
statusACTIVE

Fully-Specified Name

componentThyroxine^4H post dose levothyroxine
    4H  =  4 hours post challenge
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
method

Additional Names

short nameT4 4h p levo SerPl-mCnc

Basic Attributes

classCHAL
type1  Laboratory
order vs. observationObservation
example UCUM unitsug/dL
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 unitmcg/dL

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 Panels

90795-6Levothyroxine absorption panel - Serum or Plasma

History/Usage

first released
last updated2.65
last change typeADD  - added

Related Names

4h p levo
After
c99
CHEMISTRY.CHALLENGE TESTING
Endocrine
Endocrinology
Level
Levothyroxine
Levo-thyroxine
L-thyroxine
Mass concentration
p dose
Pl
Plasma
Plsm
Point in time
PST
QNT
Quan
Quant
Quantitative
Random
SerP
SerPl
SerPlas
Serum
Serum or plasma
SR
T4
T-4
thyroid hormone
Thyrox
Thyroxin
Thyrx
Total T4
TT4

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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