| Test | Potassium |
| Department | Clinical Biochemistry, Rotherham NHS Foundation Trust |
| Comment | Part of U+E request |
| Sample type | Blood (can also be analysed in urine) |
| Sample tube | Serum (brown top) or lithium heparin plasma (orange top) |
| Collection conditions | No special requirements (avoid haemolysis) |
| Minimum volume | 0.5 ml blood (100ul of serum absolute minimum) |
| Reference ranges (adult) |
Male and female = 3.5 - 5.3 mmol/L |
| Reference ranges (paediatric) |
Neonate = 3.4 - 6.0 mmol/L Infant = 3.5 - 5.7 mmol/L 1 - 16 yrs = 3.5 - 5.0 mmol/L |
| Author | Dr Robert Lord (Consultant) |
| Date | 21.04.11 |
| Interpretation | http://www.clinbiochem.info/labpotassium2.1.pdf |
