Catecholaminergic polymorphic ventricular tachycardia (CPVT) panel

Genes SequencedCORE: 7 genes sequenced: CALM1, CALM2, CALM3, CASQ2, RYR2, TECRL and TRDN.
Test DetailsDNA extraction, exome capture and sequencing on the Illumina platform. Identified variants are classified using ACMG/AMP and ClinGen guidelines. aCGH send out testing for the RYR2 and TRDN genes is performed when NGS does not identify any pathogenic or likely pathogenic variants.
MethodologyNext-generation sequencing
PerformedMonday – Friday
Turnaround3 – 4 weeks
Specimen RequirementsPeripheral blood or Buccal swabs
Sample Collection1 EDTA (lavender top) tube containing 2-5 mL peripheral blood or 2 Buccal swabs
Minimum Sample Volume1 ml; 1 swab
Storage/Transport ConditionsAmbient / room temperature unless delivery will exceed four hours, then refrigerated temperature is preferred.
Unacceptable ConditionsFrozen specimens, clotted or hemolyzed specimens, inappropriate tube type
CPT Code(s)  81479×2 (Core panel and aCGH send out)