AutoICD API

21763-8

Laboratory

HTT gene CAG repeats [Presence] in Blood or Tissue by Molecular genetics method

Definition

Copy number >36 is considered abnormal and an indication of Huntington disease (HD).

LOINC 6-Axis Classification

Component

HTT gene.CAG repeats

Property

PrThr

Time Aspect

Pt

System

Bld/Tiss

Scale Type

Ord

Method Type

Molgen

Details

Class

MOLPATH.NUCREPEAT

Order/Observation

Both

Short Name

HTT gene CAG Rpt Bld/T Ql

Display Name

HTT gene CAG repeats Molgen Ql (Bld/Tiss)

Related Names

5HTT5-HTT5-HTTLPRBloodGeneticsHD geneHeredityHeritablehSERTHTTHTT gene CAG RpthuntingtinHuntington choreaHuntington diseaseHuntington's diseaseInheritedIT15Molecular geneticsMolecular pathologyMOLPATHMOLPATH.NUCREPEATNeuroNeurologyOCD1OrdinalPCRPoint in timePRQLQualQualitativeRandomRepeatScreenSERTSERT1solute carrier family 6 (neurotransmitter transporter), member 4TissueTissue, unspecifiedWBWhole bloodWhole blood or Tissue

Frequently Asked Questions

What is LOINC code 21763-8?

LOINC code 21763-8 identifies "HTT gene CAG repeats [Presence] in Blood or Tissue by Molecular genetics method". Copy number >36 is considered abnormal and an indication of Huntington disease (HD).

What does 21763-8 measure?

This code measures HTT gene.CAG repeats in Bld/Tiss. It belongs to the MOLPATH.NUCREPEAT class in the LOINC classification.

What is LOINC?

LOINC (Logical Observation Identifiers Names and Codes) is a universal standard for identifying laboratory and clinical observations. It is maintained by the Regenstrief Institute and used worldwide for health data exchange.