Molecular Diagnostics: Molecular diagnostic tests detect specific sequences in DNA or RNA that may or may not be associated with disease, including single nucleotide polymorphism (SNP), deletions, rearrangements, insertions and others. By analysing the specifics of the patient and their disease, molecular diagnostics offers the prospect of personalized medicine. These tests are useful in a range of medical specialisms, including infectious disease, oncology, human leucocyte antigen typing, coagulation, and pharmacogenomics-the genetic prediction of which drugs will work best.