Potassium is an electrolyte essential for the proper functioning of your heart, nerves, and muscles. It helps regulate your heartbeat and supports normal cell function.
Category: Metabolic Panel
Also known as: potassium, k, k+, serum potassium
Reference range: 3.5–5 mEq/L (Source: ABIM)
Standard unit: mEq/L
High values may indicate
High potassium levels (hyperkalemia) may indicate kidney disease, Addison disease, or use of certain medications such as ACE inhibitors.
Low values may indicate
Low potassium levels (hypokalemia) may indicate use of diuretics, prolonged vomiting or diarrhea, or eating disorders.