Test Code LAB114 Potassium

Methodology

Ion-Selective Electrode (ISE)

RCH-SPH-STH-LDH-CUH

Preferred: Plasma (heparinized)

Container/Tube: Lt Green/Mint top (lithium heparin) tube

Acceptable: Serum

Container/Tube: Plain red-top or serum gel tube

Specimen: 1.0 mL (minimum volume 0.1 mL)

Collection Instructions: Avoid hemolysis. Forward promptly.

Refrigerated: 7 days

Monday through Sunday

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