Potassium, Serum

Method Name

Ion Selective Electrode (ISE)

Aliases

Potassium, Serum; K Blood, Potassium - Blood

Specimen Required

on SST/gel tube

Specimen Minimum Volume

1.0 mL of blood

Specimen Stability Information

Centrifuged specimen stable for 5 days refrigerated.

Special Instructions

Separate serum from cells as soon as possible

Performing Laboratory

As ordered. Turn around time is 4 hours.

Reference Values

3.5 – 5.1 mmol/L