This is the area of chemistry which is generally concerned with analysis of bodily fluid for diagnostic and therapeutic resolutions. This is an applied form of biochemistry. The modification originated in the late 19th century with the use of simple chemical reaction tests for various components of blood and urine. In the so many years since, other technology has been applied as science and technology have advanced, with the use and measurement of enzyme activities electrophoresis, spectrophotometry and immunoassay. Now a days there are so many blood tests and clinical urine tests with extensive diagnostic capabilities.