Your doctor runs various tests to either establish a diagnosis or rule out a diagnosis. For instance, a CBC will give a complete blood count: white count, hemoglobin and platelets.
Different blood test results note the problems of the body. The ration of the blood
component various from time to time so the blood test result is vary. Blood component
analysis make perfect.
A blood test could reveal a person's TSH level (thyroid function), calcium, glucose level, kidney function. Blood tests could calculate a person's tumor marker.
Blood testing is used in many diagnostic procedures, for prevention as well as when doctors suspect a condition. You should always get information about specific blood tests from a professional.