Test Code K Potassium, Plasma or Serum

Performing Laboratory

Chilton Hospital Laboratory-Chemistry

Potentiometric

Specimen Type: Plasma or serum

Container/Tube: Light-green top (lithium heparin gel), gold or tiger top (serum gel)

Specimen Volume: Full tube

Specimen Rejection: Any hemolysis

Ambient

3.6-5.0 mmol/L

Critical values (automatic call-back): ≤3.0 mmol/L or ≥5.8 mmol/L

Monday through Sunday

Available STAT

Turnaround Time:

Routine-8 hours