74375-7

LOINC Code


LOINC code74375-7
name
descriptionQuantitative confirmation analysis of 2,2',3,5'-Tetrachlorobiphenyl associated with aroclors 1016, 1232, 1242, 1248 and 1254, five types of polychlorobiphenyl (PCB) mixtures. The submitting lab's confirmation threshold is 0.2 ng/mL with analysis performed by GC/MS. Testing is performed to determine environmental or workplace exposure to PCBs. For more information and a full list of PCB congeners, see http://en.wikipedia.org/wiki/PCB_congener_list.
statusACTIVE

Fully-Specified Name

component2,2',3,5'-Tetrachlorobiphenyl
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
methodConfirm

Additional Names

short name2,2',3,5'-PCB; Cfm; CNFR; CNFRM; Conf; Confirmation; Confirmatory; DRUG/TOXICOLOGY; Drugs; GCMS; II; III; LC/MS/MS; Level; Mass concentration; Pl; Plasma; Plsm; Point in time; QNT; Quan; Quant; Quantitative; Random; SerP; SerPl; SerPlas; Serum; Serum or p

Basic Attributes

classDRUG/TOX
type1  Laboratory
order vs. observation2,2',3,5'-PCB S
example UCUM unitsng/mL
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)

Member of these Panels

74410-2

History/Usage

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

Related Names



Copyright © 2026 Regenstrief Institute, Inc. All Rights Reserved. To the extent included herein, the LOINC table and LOINC codes are copyright © 1995-2026, 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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