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Potassium (K)

Also known as: K
Formal name: Potassium
Related tests: Chloride, Sodium, Bicarbonate (or Total CO2), Electrolytes, BMP, CMP, Aldosterone and Renin

 

  • Why should I do it?

To determine whether your potassium level is within normal limits and to help evaluate an electrolyte imbalance; to monitor chronic or acute hyperkalemia or hypokalemia

 

  • When should I do it?

As part of a routine medical exam, when you have symptoms such as weakness and/or cardiac arrhythmia, or when an electrolyte imbalance is suspected; at regular intervals when you are taking a medication and/or have a disease or condition, such as high blood pressure (hypertension) or kidney disease, that can affect your potassium level

 

  • What Kind of Sample is Needed?

A blood sample drawn from a vein in the arm

 

  • Test Preparation Needed?

None