Mitogen stimulated gamma interferon [Units/volume] in Blood   71772-8

LOINC Code


LOINC code71772-8
nameMitogen stimulated gamma interferon [Units/volume] in Blood
descriptionIn the Quantiferon Gold test, the Mitogen-stimulated plasma sample serves as an IFN-gamma positive control for each specimen tested. A low response to Mitogen (<0.5 IU/mL) indicates an Indeterminate result when a blood sample also has a negative response to the TB antigens. This pattern may occur with insufficient lymphocytes, reduced lymphocyte activity due to prolonged specimen transport or improper specimen handling, including filling/mixing of blood tubes, or inability of the patient's lymphocytes to generate IFN-gamma.
statusACTIVE

Fully-Specified Name

componentMitogen stimulated gamma interferon
propertyACnc  =  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.
systemBld  =  Whole blood
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 nameMitogen IGNF Bld-aCnc

Basic Attributes

classMICRO
type1  Laboratory
order vs. observationObservation
example UCUM units[IU]/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)
example unitIU/mL

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

53703-5Mycobacterium bovis tuberculin stimulated gamma interferon panel - Blood
71775-1Mycobacterium tuberculosis stimulated gamma interferon panel - Blood

History/Usage

test rank1663 of 2000 most commonly performed tests by labs in USA
first released
last updated2.73
last change typeMIN  - change to field other than name

Related Names

Arbitrary concentration
Blood
ID
IFN
IGRA
Infectious Disease
InfectiousDisease
Lung
Microbiology
Mitogen IGNF
Point in time
Pulmonary
Pulmonology
QFT
QNT
Quan
Quant
Quantiferon
Quantitative
Random
Respiratory
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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