Signs and symptoms of peripheral neuropathy might include: 1  Gradual onset of numbness, prickling or tingling in your feet or hands, which can spread upward into your legs and arms. 2  Sharp, jabbing, throbbing, freezing or burning pain.  Extreme sensitivity to touch.
Clinical Significance. Magnesium measurements are used in the diagnosis and treatment of hypomagnesemia (abnormally low plasma levels of magnesium) and hypermagnesemia (abnormally high plasma levels of magnesium). Magnesium is decreased in chronic nephritis, acute pancreatitis, and alcoholic cirrhosis.
A CBC does not check for levels of magnesium. You will need to have some serum sent to the lab for you to know your magnesium level. In brief: Magnesium testing. A CBC does not check for levels of magnesium. You will need to have some serum sent to the lab for you to know your magnesium level.  You will need to have some serum sent to the lab for you to know your magnesium level.