The Potassium Serum Test in Hyderabad measures potassium levels in the blood, an essential electrolyte involved in muscle function, nerve signaling, and maintaining a normal heart rhythm. Doctors may recommend this test during routine health assessments or when monitoring conditions that can affect potassium balance. Sprint Diagnostics lists the Potassium Serum Test at ₹350, with a blood sample and no specific fasting requirement. Results can be influenced by medications, supplements, kidney function, and other health factors, so they should be interpreted by a healthcare professional. If testing has been recommended, follow the instructions provided by your doctor or diagnostic team.