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Laboratory Test Directory

Electrolytes

Components

Name Method Department Units
Electrolytes Ion selective electrode
Core Lab, Chemistry, Routine

Battery Members

Sodium, Potassium, Chloride, CO2

Specimen Requirements

Plasma Spun, Serum Spun

Container Type Container Size Specimen Volume
Preferred

Green tube (Lithium heparin), with Gel

3 mL 3 mL
Alternate

Green tube (Lithium heparin), No Gel

Micro sample tube 1 mL
Alternate

Green tube (Lithium heparin), No Gel

3 mL 3 mL
Alternate

Gold tube, (SST) with Gel

3.5 mL 3.5 mL
Alternate

Red tube, (no anticoagulant), No Gel

3 mL 3 mL
Alternate

Green tube (Lithium heparin), with Gel

Micro sample tube 0.3 mL
Stability

Room temperature - 24 hour(s)
Refrigerated - 3 day(s)

Specimen Preparation

  • Centrifuge within 4 hours, separate supernatant and refrigerate

Reasons for Rejection

  • Gross hemolysis
  • Not received at proper temperature
  • Not received within specified time frame

CPT Code

  • 80051