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10. False Lab Reading

Occasionally, high potassium levels show up on a lab report due to a lab error rather than a true health issue. If blood cells rupture during the blood draw (a process called hemolysis), they release potassium into the sample and artificially inflate the results. If there are no symptoms or risk factors, a repeat test is often ordered to rule out this possibility before beginning treatment for hyperkalemia.

lab tests can incorrectly diagnose high potassium

 

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