Private MD - Online Lab Testing Services
General Wellness:

"Potassium, Serum"

Price: $47.99

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"The Potassium Test is a blood test used to measure the level of potassium, an important electrolyte. Potassium aids in muscle contraction and in maintaining the balance of fluids and electrolytes in body cells. A significant deviation from the normal range may require further evaluation by your physician."