It is the physical and psychological examination of the body as prescribed by the health care consultants. The diagnostic tests are generally of two kinds: One is the laboratory tests and the other is the imaging. The laboratory test contains the some part of the body and being tested in the laboratory like blood and tissue etc. The imaging generally used for the suitability of various internal body organs like bones, internal muscles, digestive systems etc. The various techniques used for the testing and imaging like Nuclear resonance imaging, Radiography, Nuclear scan, Radionuclide scan etc.