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GTR Home > Tests > XSense(R), Fragile X with Reflex

Overview

Test order codeHelp: 16313; fetal samples use test code 16300

Test name

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XSense(R), Fragile X with Reflex (FX)

Purpose of the test

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This is a clinical test intended for Help: Diagnosis, Risk Assessment, Screening

Condition

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How to order

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https://testdirectory.questdiagnostics.com/test/home This test is included in the following test codes: Fragile X w/ reflex to chromosome analysis use test code: 16326 Prenatal carrier screen: test code 90949 Prenatal carrier panel: test code 93349 QHerit™ Expanded Carrier Screen: 94372 fetal samples require documentation of familial fragile X results. Please contact GeneInfo at 866.463.3463 to discuss fetal cases with a genetic counselor.
Order URL Help: https://testdirectory.questdiagnostics.com/test/home

Specimen source

Amniocytes
Amniotic fluid
Cell culture
Chorionic villi
Cord blood
Fetal blood
Peripheral (whole) blood

Methodology

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Molecular Genetics
MMethylation analysis
PCR

Summary of what is tested

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Clinical utility

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Not provided

Clinical validity

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Not provided

Testing strategy

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https://testdirectory.questdiagnostics.com/test/home 000 https://testdirectory.questdiagnostics.com/test/home This test is included in the following test codes: Fragile X w/ reflex to chromosome analysis use test code: 16326 Prenatal carrier screen: test code 90949 Prenatal carrier panel: test code 93349 QHerit™ Expanded Carrier Screen: 94372 fetal samples require documentation of familial fragile X results. Please contact GeneInfo at 866.463.3463 to discuss fetal cases with a genetic counselor.

Practice guidelines

  • ACMG ACT, 2012
    American College of Medical Genetics and Genomics Genetic Testing ACT Sheet, Fragile X [FraX] Syndrome, 2012
  • EuroGenetest, 2011
    Clinical utility gene card for: fragile X mental retardation syndrome, fragile X-associated tremor/ataxia syndrome and fragile X-associated primary ovarian insufficiency.

IMPORTANT NOTE: NIH does not independently verify information submitted to the GTR; it relies on submitters to provide information that is accurate and not misleading. NIH makes no endorsements of tests or laboratories listed in the GTR. GTR is not a substitute for medical advice. Patients and consumers with specific questions about a genetic test should contact a health care provider or a genetics professional.