Measures the level of potassium in the blood.

Potassium is an important mineral and electrolyte that helps regulate heartbeat, muscle contractions and the regulation of acid balance in the body. Potassium is found in numerous fruits and vegetables.

Low levels, which can be caused by diet or certain medication use is an indicator of hyperkalemia, which may be a result of a kidney disorder. Other conditions that may present low potassium levels include gastrointestinal issues, excess use of acetaminophen, diuretic use, the use of corticosteroids among many others. High levels of potassium may indicate hypokalemia. Other conditions that may present high levels include dehydration, kidney failure, infection, diabetes, anti-inflammatory medications, beta-blockers and many others.  

Recommended with Potassium

• Magnesium
• Urinalysis

Is Fasting Required? No

More Information: http://www.questdiagnostics.com/testcenter/TestDetail.action?ntc=733