Medically reviewed by Archana Sharma, DO Key Takeaways A potassium blood test measures the potassium level in your blood to ...

A CO2 blood test measures the amount of carbon dioxide (CO2) in the blood serum, which is the liquid part of blood. It’s typically used to screen for kidney, respiratory, or metabolic disorders. You ...

A medical supply company mistake threatens to complicate hundreds of drunken driving cases in Texas. An NBC 5 investigation has found blood alcohol level test tubes recalled by the manufacturer have ...

A D-dimer test is a lab test that helps diagnose blood clotting conditions. The test measures the levels of a protein fragment that remains in your blood after multiple blood clots break down. A high ...

What Is an MCV Blood Test? MCV stands for mean corpuscular volume. An MCV blood test measures the average size of red blood cells, which have the critical job of carrying oxygen to your organs. If ...