Detection of germline gene variants, including copy number variation, requested by a specialist or consultant physician: (a) in at least the following genes: (i) KCNQ1; (ii) KCNH2; (iii) SCN5A; (iv) KCNE1; (v) KCNE2; (vi) KCNJ2; (vii) CACNA1C; (viii) RYR2; (ix) CASQ2; (x) CAV3; (xi) SCN4B; (xii) AKAP9; (xiii) SNTA1; (xiv) KCNJ5; (xv) ALG10; (xvi) CALM1; (xvii) CALM2; (xviii) ANK2; (xix) TECRL; (xx) TRDN; and (b) for a patient for whom clinical or family history criteria is suggestive of inherited cardiac arrhythmias or channelopathies that place the patient at greater than 10% risk of having a pathogenic variant Applicable once per lifetime