SCA8 gene CAG repeats [Presence] in Blood or Tissue by Molecular genetics method   27984-4

LOINC Code


LOINC code27984-4
nameSCA8 gene CAG repeats [Presence] in Blood or Tissue by Molecular genetics method
statusACTIVE

Fully-Specified Name

componentSCA8 gene.CAG repeats
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/Tiss
    Bld  =  Whole blood
    Tiss  =  Tissue, unspecified
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 nameSCA8 gene CAG Rpt Bld/T Ql

Basic Attributes

classMOLPATH.NUCREPEAT
type1  Laboratory
order vs. observationBoth

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

test rank17202 of 2000 most commonly performed tests by labs in USA
first released
last updated2.73
last change typeMIN  - change to field other than name
change reasonChanged Property from Arb (Arbitrary) to 'Threshold' since the results (e.g. positive, intermediate, negative) is based on the number of nucleotide repeats. Moved term from Class MOLPATH.TRINUC to MOLPATH.NUCREPEAT, a Class used to group together observations for nucleotide repeats.; 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.

Related Names

Ataxia-8
Ataxin 8
ATXN8
Blood
Genetics
Heredity
Heritable
Inherited
IOSCA
Molecular genetics
Molecular pathology
MOLPATH
MOLPATH.NUCREPEAT
MTDPS7
Ordinal
PCR
PEO
PEO1
PEOA3
Point in time
PR
PRLTS5
QL
Qual
Qualitative
Random
Repeat
SANDO
SCA
SCA8
SCA8 gene CAG Rpt
Screen
Spinocerebellar ataxia
Tissue
Tissue, unspecified
TWINL
WB
Whole blood
Whole blood or Tissue

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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