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Test Code K POTASSIUM

Performing Laboratory

Helen Keller Laboratory

Methodology

Ion-Selective Electrode (ISE)

Specimen Container:

Green Lithium Heparin Tube

Specimen Requirements

Container/Tube:

Preferred: Lithium heparin (light
green-top)

Acceptable: Serum Gel

Draw blood, spin down and send 1 mL (pediatric:  0.2 mL) of
plasma or serum.

Specimen Stability Information

 

Specimen Type

Temperature

Time
Serum RT, Spun

72 hours
  Refrig.,Spun

72 hours

 

Reference Intervals:

3.5 – 5.3 MMOL/L

Day(s) Test Set Up:

Monday through Sunday

CPT Coding:

84132