Skip to main content
Oxford University Hospitals NHS Foundation Trust
Clinical Biochemistry

Coronavirus / COVID-19

If you have a new continuous cough, a high temperature, or a loss or change to your sense of taste or smell, do not come to our hospitals. Follow the national advice.

Please find information on our services and visiting restrictions in our COVID-19 section.

Patients and visitors must wear a face covering in our hospitals.

This site is best viewed with a modern browser. You appear to be using an old version of Internet Explorer.

Potassium

Also known as: K

Specimen requirements

Sample type: Plasma (Lithium Heparin)

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 - 5.0 mmol/L

Male

All ages: 3.5 - 5.0 mmol/L