Characterisation, by whole exome or genome sequencing and analysis, of germline gene variants in one or more of the genes implicated in heritable cystic kidney disease, if: (a) the service is requested by a consultant physician practising as: (i) a clinical geneticist; or (ii) a specialist nephrologist; and (b) the patient has a renal abnormality and is strongly suspected of having a monogenic condition Applicable once per lifetime