Test Code LAB122 Sodium

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: Plain red-top or gold serum gel tube

Specimen Volume: 1.0 mL (minimum volume 0.10 mL)

Collection Instructions: Avoid hemolysis. Forward promptly.

Refrigerated: 1 week

Monday through Sunday

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