Use to determine etiology of long QT syndrome (LQTS) in symptomatic individuals. Useful for presymptomatic testing in individuals with a family history of LQTS or sudden cardiac death.
Massively Parallel Sequencing / Exonic Oligonucleotide-based CGH Microarray
New York DOH Approval Status
Lavender (EDTA) or Yellow (ACD Solution A or B).
Transport 3 mL whole blood. (Min: 1.5 mL)
Serum or plasma; grossly hemolyzed or frozen specimens
Ambient: 72 hours; Refrigerated: 1 week; Frozen: Unacceptable
Refer to report.
This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the US Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes.
Counseling and informed consent are recommended for genetic testing. Consent forms are available online.
Laboratory Developed Test (LDT)
CACNA1C, CALM1**, CALM2**, CAV3, KCNE1, KCNE2, KCNH2, KCNJ2, KCNQ1, SCN5A
** - Deletion/duplication detection is not available for this gene.
81403; 81404; 81406; 81407; 81414; 81479
|Component Test Code*||Component Chart Name||LOINC|
|3001604||Long QT Interp||41103-3|
|3001681||Long QT Specimen||31208-2|