A member asked:

Can blood work be wrong for high potassium left out too long?

A doctor has provided 1 answer
Dr. S. Smiley Thakur answered

Specializes in Nephrology and Dialysis

Yes: Samples that are left on the counter too long can hemolyze. This raises the measured value of the potassium. Abnormal labs that are unexpected should be repeated for verification.

Answered 2/3/2018

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