You may need a blood gas (ABG) test to measure the amount of oxygen and carbon dioxide in the blood. It may also be used to determine the pH of the blood, or how acidic it is. A blood gas test ...

A stool test is a diagnostic procedure that involves analyzing fecal matter, or poop, to check for signs of infection, inflammation, or disease. The specific analysis depends on a person’s symptoms ...

A drug testing procedure can help employers to maintain a safe workplace. John Wilson of Concateno, a drug and alcohol testing company, outlines the areas to consider when implementing such a policy.