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Potassium

Also known as: K

Specimen requirements

Adult sample type: Serum (gold/yellow top SST)

Paediatric sample type: Plasma (orange top paediatric tube)

Collection requirements: Specimen should to be received and processed within 24 hours of collection. Results on specimens received more than 24 hours after collection should be interpreted with caution.

Cost

Price on application

Turnaround time

Please see Turnaround times

Analytical method

Ion-selective electrode

Analysis undertaken at these site(s)

  • John Radcliffe Hospital
  • Churchill Hospital
  • Horton General Hospital

Reference intervals

Female

All ages: 3.5 - 5.3 mmol/L

Male

All ages: 3.5 - 5.3 mmol/L

Last reviewed:27 January 2023