Re‑analysis of whole exome or genome data that was obtained in performing a service to which item 73416 applies, for characterisation of previously unreported germline gene variants related to the clinical phenotype, if: (a) the re-analysis is requested by a consultant physician practising as a clinical geneticist or a cardiologist; and (b) the patient is strongly suspected of having inheritable cardiac arrhythmia or channelopathies; and (c) the service is performed at least 18 months after a service to which item 73416 or this item applies was performed for the patient Applicable twice per lifetime