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Potassium, Serum

Test Code
KK


Preferred Specimen
Serum, 0.5 mL minimum


Instructions
Spin within 2 hours of collection. Hemolysis causes significant interference


Transport Container
SST tube


Transport Temperature
Unspun specimen stable for 2 hours room temp., spun specimen stable for 4 days if refrigerated


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross Hemolysis, Not spun within 2 hours of collection


Reference Range
See report for normal ranges. Critical Values: <3.0 or >6.0 mg/dL


Clinical Significance
Evaluate electrolyte intolerance. Potassium measurements are useful in monitoring electrolyte balance in the diagnosis and treatment of disease conditions characterized by low or high blood potassium levels




The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.