Blood Tests » Electrolytes

Electrolytes

Electrolytes like sodium, potassium, calcium, and magnesium control nerve signaling, muscle contraction, heart rhythm, and fluid balance. Even minor imbalances can cause fatigue, cramps, confusion, or irregular heartbeat. Blood testing ensures these critical minerals stay within optimal ranges — especially important during illness, intense exercise, or medication use.

Chloride
x2

Chloride is a major electrolyte that maintains fluid balance and acid-base status. Testing helps evaluate hydration, kidney function, and diagnose metabolic disorders through the anion gap.

Learn more about Chloride

Sodium
x2

Sodium is the key electrolyte controlling fluid balance and blood pressure. Testing detects hyponatremia (too dilute) or hypernatremia (dehydration) that can affect brain function.

Learn more about Sodium

Calcium
x2

Calcium blood test evaluates levels essential for bones, muscles, nerves, and heart function. Detect parathyroid disorders, Vitamin D deficiency, and causes of muscle cramps or fatigue.

Learn more about Calcium

Potassium
x2

Potassium is a critical electrolyte for heart rhythm and muscle function. Testing detects dangerous imbalances that can affect your heart, especially in kidney disease or when taking certain medications.

Learn more about Potassium

Magnesium

Evaluates magnesium status essential for muscle function, heart rhythm, energy production, blood pressure, and blood sugar control. Helps detect common deficiency causing cramps, fatigue, arrhythmias, and poor sleep.

Learn more about Magnesium

Carbon Dioxide (CO2) (Bicarbonate)
x2

CO2/bicarbonate measures blood’s buffering capacity and acid-base balance. Low levels indicate metabolic acidosis (DKA, kidney disease); high levels suggest metabolic alkalosis or compensation for chronic lung disease.

Learn more about Carbon Dioxide (CO2) (Bicarbonate)

Choose your region

We offer health testing services in select regions.