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Source-backed patient guide
Potassium is an electrolyte needed for normal cell, nerve, muscle, and heart function.
These operational details come from the laboratory catalogue. Confirm current availability and preparation with the laboratory before collection.
Patient education
Potassium is an electrolyte needed for normal cell, nerve, muscle, and heart function.
It may be measured in a metabolic panel when a professional is evaluating electrolyte balance, kidney function, or medicine effects.
Preparation depends on the test and any other tests ordered at the same time. Follow the instructions from the requesting professional and laboratory, tell them about medicines and supplements, and do not stop medicines unless a qualified professional tells you to.
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Need this test? Contact our laboratory team to confirm current availability or referral options.
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