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HelpTest Code LAB114 Potassium
Department
CHEMISTRY
Primary Collection Container
Green PST (Lithium Heparin)
Alternate Collection Container
Green Microtainer PST
Transport
Plamsa refrigerated
Preferred Transport Temperature
Refrigerated
Processing
Centrifuge and refrigerate.
Separate from cells if testing is delayed more than 2 hours.
Stability
Refrigerated: 24 hours
Minimum Testing Volume
0.5 mL
Reference Range
0-2 yrs: 3.8-6.2 mmol/L
>2 yrs: 3.5-5.0 mmol/LMethodology
Roche Cobas Pro Ion Selective Electrodes
Performed
Sunday – Saturday
Reported
As completed
CPT Codes
84132
Unacceptable Conditions
Hemolysis.