What is a safe or normal potassium level? A typical potassium level for adults is between 3.5 and 5.0 millimoles per liter (mmol/L). Hyperkalemia occurs when potassium levels go above 5.5 mmol/L. A …

Feb 25, 2024 · Kidney disease is a common cause of a high potassium level. Either high or low potassium levels can cause heart problems. Low potassium can cause muscle cramps.

A potassium blood test measures the potassium levels in your blood. Too much or too little potassium may be a sign of a serious medical condition. Learn more.

Jul 23, 2025 · For most healthy people, the level of potassium in the blood should be between 3.5 and 5.0, depending on the laboratory that is used. High potassium is usually defined as a blood …

Normal potassium levels are usually between 3.5 mEq/L and 5.5 mEq/L. High or low potassium levels can lead to varying complications, as outlined below. High potassium levels is also called hyperkalemia.

Dec 19, 2025 · Potassium helps regulate important body functions like muscle contractions and heartbeats. High or low levels of potassium can indicate health problems like heart failure or kidney …

Jun 25, 2025 · For adults, a normal blood potassium level falls between 3.5 and 5.2 milliequivalents per liter (mEq/L), which is equivalent to 3.5 to 5.2 millimoles per liter (mmol/L). These values represent …

Normal potassium levels can vary depending on age and individual factors. In general, the normal range for potassium in adults is typically between 3.5 to 5.0 milliequivalents per liter (mEq/L). However, it's …

Apr 24, 2025 · Hyperkalemia occurs when the potassium levels in your blood are too high. Very high potassium levels can cause problems with your heart, kidneys, and muscles. High potassium can be …

Oct 31, 2024 · What does it mean to have high potassium? Learn about the role potassium plays in the body and the possible causes of this blood test result.