Potassium

Specimen Tube Type Transport

Gel Green Top

Container Whole Blood Required

4 ml whole blood in a Gel Green Top

Critical Value

Male/Female and all ages the same: <2.5 mmol/L or >6.5 mmol/L

Summary Test Name

Potassium

Specimen Preparation Outreach

Spin within 4 hours of collection. Refrigerate until courier pickup.

Specimen Stability

2 weeks, refrigerated

Minimum Volume

1 full green microtainer or 1 mL in a pediatric green top tube.

Specimen Transport

Refrigerate

Specimen Preparation In House

Spin and refrigerate until analysis

Stat Availability

24 hours a day, seven days a week

Test Turnaround Time Routines And Stats

R 4 hours S 1 hour

Reference Value

Male/Female and all the same: 3.5 - 5.1 mmol/L