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HelpTest Code K Potassium Level
Cerner Test Code
K
Acceptable Collection Tube(s) or Specimen
Preferred: GRN PST
Acceptable: Gold SST or Red Top
Specimen Draw Volume
Volume: 1.0 mL
Minimum Volume: 0.5 mL
Processing Instructions
Draw in a Green PST, centrifuge, and refrigerate.
Stability
Stability: Refrigerated 7 days, Frozen 30 days
Performed Test Frequency
Everyday
CPT(s)
84132
Methodology
Indirect Integrated Multisensor Technology (IMT)
Performing Location
MercyOne Des Moines Laboratory, Chemistry
Rejection Criteria
Rejection criteria: hemolysis