Potassium - Blood
|Serum tube with gel|
|Transport specimen at Room Temperature to lab|
Sample haemolysis may make this test unreportable
False positive Potassium results can be caused by patients with thrombocytosis usually indicated by high platelet counts.
If pseudohyperkalaemia is suspected - please recollect EUC in a lithium heparin tube.
Minimum Adult Volume:
Paediatric Minimum Volume:
Potassium levels are significantly raised by haemolysis and by long delays before specimen separation (increased by refrigeration).
Result Turnaround Time:
Adult - 3.5-5.0 mmol/L
(Neonatal Reference ranges are available from the laboratory)