To arrive at the most appropriate decision regarding patient management, an essential step is for medical practitioners to determine a correct and accurate diagnosis of the patient's condition. In recent years there have been significant technological efforts in chemistry, biochemistry, laboratory science and biotechnology towards improving disease diagnosis and management in patients. Further, drug developers have utilized some of these novel diagnostic methods during preclinical and clinical trials that have led to creating efficiencies in their development processes. This book provides an overview of diagnostic procedures that aid in precision medicine and the drug development process. Presents innovative methodologies for diagnostic testing that will be beneficial to biomedical science researchers and health professionals. Discusses recent significant technological advancement towards improving disease diagnosis. Describes recent developments in spectroscopic and chromatographic methods that will be of interest to pharma companies, scientists in chemistry, biochemistry and pharmacology. Gives an overview of integration of artificial intelligence in digital health that will be beneficial to biotechnologists, bioengineers, health professionals and people in regulatory agencies. Suitable globally for graduate and postgraduate students studying laboratory medicine.