HBA2 gene c.427T>C [Presence] in Blood by Molecular genetics method   55237-2

LOINC Code


LOINC code55237-2
nameHBA2 gene c.427T>C [Presence] in Blood by Molecular genetics method
descriptionThis assay detects the hemoglobin Constant Spring (CS) mutation located in the HBA2 gene on chromosome 16 at position p13.3.[NCBI ClinVar ID: 15624]
statusACTIVE

Fully-Specified Name

componentHBA2 gene.c.427T>C
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.
systemBld  =  Whole blood
scaleOrd  =  Ordinal:  Ordered categorical responses, e.g., 1+, 2+, 3+; positive, negative; reactive, indeterminate, nonreactive.
methodMolgen  =  Molecular Genetics:  General class of methods used to detect genetic attributes on a molecular basis including RFL, PCR and other methods.

Additional Names

short nameHBA2 c.427T>C Bld Ql

Basic Attributes

classMOLPATH.MUT
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.

Member of these Panels

55234-9Alpha thalassemia gene panel - Blood by Molecular genetics method

History/Usage

first released
last updated2.66
last change typeNAM  - change to Analyte/Component
change reasonUpdated Component name from "HBA2 CS gene" to align with the HGVS recommendations for naming a variant. Also updated the Property from "Arb" to "PrThr" based on the current LOINC model.

Related Names

alpha-2 globin
Blood
Genetics
HB Constant Spring
HBA2 c.427T>
C
HBA-T2
HBH
Hemoglobin, alpha 2
Heredity
Heritable
Inherited
Molecular genetics
Molecular pathology
MOLPATH
MOLPATH.MUTATIONS
Ordinal
PCR
Point in time
PR
QL
Qual
Qualitative
Random
Screen
WB
Whole blood

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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