Item Value
Test name Potassium, whole blood (MtZ Only)
Available Stat? Yes
Turn around times Stat 15 min, Routine 30 min
In House Availability Test available 24 hours per day 7 days per week
Performed by Mt. Zion Chemistry
Normal range
≤ 1 year 3.0-5.4 mmol/L
> 1 year 3.4-4.5 mmol/L
Container type Plastic syringe containing 100U of dry heparin
Amount to Collect 3 mL blood
Collection Instructions Fill syringe completely, remove needle, expel all bubbles and cap sample. Deliver immediately to lab for testing.
Sample type Heparinized whole blood (Blood gas syringe only)

If you have additional questions regarding this test, please call: 415-353-1667