Deprecated Green Ash IgE Ab RAST class [Presence] in Serum   21079-9

LOINC Code


LOINC code21079-9
nameDeprecated Green Ash IgE Ab RAST class [Presence] in Serum
statusDEPRECATED
Replacements

alternatives to this code:

102680-6Green Ash IgE Ab [Presence] in Serum by Radioallergosorbent test (RAST)

Fully-Specified Name

componentFraxinus pennsylvanica Ab.IgE.RAST class
propertyPrThr  =  Present or threshold:  The Property PrThr stands for “Presence or Threshold”, meaning either a) the actual presence or absence of an analyte, or b) that the amount of analyte detected is over some predetermined threshold.
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
scaleOrd  =  Ordinal:  Ordered categorical responses, e.g., 1+, 2+, 3+; positive, negative; reactive, indeterminate, nonreactive.
method

Additional Names

short nameDeprecated Green Ash IgE RAST Ql

Basic Attributes

classALLERGY
type1  Laboratory
order vs. observationObservation

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 updated2.75
last change typeDEL  - delete (deprecate)
change reasonRelease 2.75: Status: In order to give the data more machine reading and classification power, we deprecated the RAST class components because they are combination of Component/Analyte and Method RAST. We replaced them with new Component/Analyte by removing ".RAST Class", and we added new method "RAST" in the Method axis. Since these tests are falling under Semi-Quantitative project, we changed their previous Scale value to the new Scale value of "SemiQn"; Previous Releases: The Property has been changed from ACnc to Threshold to reflect the new model for ordinal terms where results are based on a cut-off value.; The PrThr property is used for LOINC terms whose results are reported using an ordered categorical scale, regardless of whether or not an internal threshold was used to make that determination. This change was approved by the Laboratory LOINC Committee in June 2016.; The Answer list type has been changed from 'Normative' to 'Example' due to the variability of the calibrator and the number of classes. Some labs use a low calibrator of 0.1 KU/L and include an additional 0/1 class, while other labs have continued with the 0.35 KU/L calibrator and have only 7 classes.

Related Names

ABS
Aby
Allergen
Allergens
ALLERGY TESTING
Antby
Anti
Antibodies
Antibody
Autoantibodies
Autoantibody
Green ash
IgE RAST
Immune globulin E
Immunoglobulin E
Ordinal
Point in time
PR
QL
Qual
Qualitative
Random
Screen
Serum
SR

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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