XXX allergen triggered histamine release [Units/volume] in Blood 77727-6
LOINC Code
| LOINC code | 77727-6 | ||
|---|---|---|---|
| name | XXX allergen triggered histamine release [Units/volume] in Blood | ||
| description | Quantitative determination of histamine release in heparinized whole blood incubated with a suspected allergen. This term is based on, but not limited in use to, IBL International's Histamine-Release assay, which incubates whole blood samples with different concentrations of the suspected allergen. Release of histamine occurs upon stimulation of basophilic granulocytes with amounts depending on their sensibility to the allergen. In the Histamine-Release assay, the percent of histamine release falls within the 100% control (= Total Histamine) and the blank value (= Spontaneous Release). Any positive signal greater than 5% release is regarded as allergen specific positive. | ||
| status | ACTIVE | ||
Fully-Specified Name | |||
| component | XXX allergen basophil bound Ab | ||
| property | ACnc = Arbitrary Concentration | ||
| time | Pt = Point in time: To identify measures at a point in time. This is a synonym for “spot” or “random” as applied to urine measurements. | ||
| system | Bld = Whole blood | ||
| scale | Qn = 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 | LHR = Leukocyte Histamine Release | ||
Additional Names | |||
| short name | XXX allergen BasoBnd Ab Qn | ||
Basic Attributes | |||
| class | ALLERGY | ||
| type | 1 Laboratory | ||
| order vs. observation | Both | ||
| 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. | |||
History/Usage | |||
| first released | |||
| last updated | 2.52 | ||
| last change type | MIN - change to field other than name | ||
Related Names | |||
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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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