Health A-Z Home
Blood Tests Directory
Blood tests are laboratory tests that analyze various parts of your blood. The blood is usually extracted from a vein or from a finger tip via a finger prick. The blood tests can analyze physiological and chemical balances in the body and can determine types of diseases a person may have, how effective drugs are and organ function.
Medical Reference
-
Creatinine and Creatinine Clearance Blood Tests
WebMD explains how creatinine and creatinine clearance tests are used to measure kidney function.
-
What Is a Prolactin Test?
A prolactin test measures the amount of a hormone called prolactin you have in your blood. The hormone usually rises if a woman is pregnant or has just given birth to help produce breast milk.
-
What Is a Complete Blood Count?
Your doctor will probably order a complete blood count (CBC) as part of your yearly physical exam. Learn what this common test is and what your results mean.
-
What is an Iron Blood Test?
An iron blood test can show whether you have too much or too little of this important mineral in your blood. Find out why your doctor might call for this test, and what the results mean.