Potassium, RBC

Marker

4 mL whole blood collected in a sodium heparin or lithium heparin (green-top) tubeand4 mL whole blood collected in an EDTA (lavender-top) tube

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Potassium Blood Test, RBC

The Potassium Blood Test, RBC provides a measurement of intracellular Potassium levels which can indicate deficiency sooner than an ordinary blood test.

Updated 7/22/2025

$119

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Potassium, RBC

Reflective of long term potassium status

Updated 7/22/2025

$158

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