R14 is a rapid test of the whole genome. It is usually requested for children in neonatal or paediatric intensive care.
Rapid prenatal exome sequencing is undertaken for a nationally agreed panel of genes known to cause disorders that may present prenatally.
Whole genome sequencing refers to DNA sequencing of the entire genome, including both coding and non-coding regions.
Whole exome sequencing refers to DNA sequencing of all the genes in the human genome.