Complement total hemolytic CH50 actual/normal in Serum by Immunoassay   74521-6

LOINC Code


LOINC code74521-6
nameComplement total hemolytic CH50 actual/normal in Serum by Immunoassay
statusACTIVE

Fully-Specified Name

componentComplement total hemolytic CH50 actual/normal
propertyRelACnc  =  Relative Arbitrary 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  =  Serum
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 nameCH50 Act/Nor Ser IA

Basic Attributes

classHEM/BC
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.

Member of these Panels

74519-0Complement activity panel - Serum

History/Usage

first released
last updated2.58
last change typeMIN  - change to field other than name
change reasonUpdated term to align with existing complement activity terms and clarify that findings are based on actual/normal results.; The EIA method, which was always intended to cover more than just enzyme-linked immunoassay and whose display name for the long common name has always been Immunoassay, was renamed IA in order to eliminate ambiguity about whether the method has a broader meaning than just enzyme-linked immunoassay. Likewise, EIA.rapid was renamed IA.rapid. These changes were approved by the Laboratory LOINC Committee in June 2016.

Related Names

Act/Nor
Comp
Complement CH50
Complmt
Control
EIA
ELFA
ELISA
Enzyme immunoassay
HEMATOLOGY/CELL COUNTS
IAA
MEIA
Point in time
QNT
Quan
Quant
Quantitative
Random
RlACnc
Serum
SR
SUDS
Tot
Total Hem Comp
Totl

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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