Someone who is experiencing unusual thirst, high levels of urination, fatigue, weakness, and a loss of appetite may have high calcium levels that can be detected on this blood test. Outside of the annual exam that most people have, a medical provider may also order this test for the following reasons. Most people do not experience any of these symptoms until their calcium levels are extremely out of range, so the test results may be very dramatic. The ionized calcium blood test is typically ordered when they are experiencing the symptoms of very high or very low calcium levels. Most people who are given this blood test will have normal results reported. It is often part of a routine health screening as it is considered part of the comprehensive metabolic panel and the basic metabolic panel. The ionized calcium blood test is used to diagnose, monitor, or screen for certain conditions that may affect the circulatory system, the kidneys, the nervous systems, or the bones and teeth.
