Methylmalonylcarnitine (C4-DC)+3-Hydroxyisovalerylcarnitine (C5-OH) [Moles/volume] in DBS   67709-6

LOINC Code


LOINC code67709-6
nameMethylmalonylcarnitine (C4-DC)+3-Hydroxyisovalerylcarnitine (C5-OH) [Moles/volume] in DBS
descriptionThis analyte is measured using the non-derivatized tandem mass spectrometry (MS/MS) method and is not measured when using the derivatized reagents. When using the derivatized reagents, it will instead be measured as two separate analytes C4-DC [LOINC: 45222-7] and C5-OH [LOINC: 50106-4]. A different LOINC code is used for the derivatized or non-derivatized method because based on the reagents used in processing, different sets of analytes become isobaric, which means that they cannot be distinguished on the MS/MS because they have the same molecular weight after reagent processing.
statusACTIVE

Fully-Specified Name

componentMethylmalonylcarnitine (C4-DC)+3-Hydroxyisovalerylcarnitine (C5-OH)
propertySCnc  =  Substance 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.
systemBld.dot  =  Blood filter paper
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 nameC4-DC+C5-OH DBS-sCnc

Basic Attributes

classCHEM
type1  Laboratory
order vs. observationBoth
example UCUM unitsumol/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 unitumol/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 Panels

57085-3Organic acid newborn screen panel

History/Usage

first released
last updated2.73
last change typeMIN  - change to field other than name

Related Names

3-hydroxy-isovalerylcarnitine
3OH-Isovalerylcarn
Blood
C4DC
C4-DC
C4DC+C5OH
C4-DC+C5-OH
C4-DCC
C5OH
C5-OH
Chemistry
DBS
Dicarboxylic carnitine
Dried blood spot
Filter paper
FP
III
Level
Me-malonylcarn
nonderivatized
non-derivatized
Point in time
QNT
Quan
Quant
Quantitative
Random
Substance concentration
underivatized
WB
Whole blood

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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