← Kidney
Kidney· LOINC 2823-3
Potassium
4.3mmol/L
In rangeUp 2.4% since 2 July · moving the right way
Where it sits
3.35.4
Trend
Hover any point for that drawShaded band is the optimal range · 3.5–5.2 mmol/L standard6 draws · Mar – Aug 2026
What this measures
Critical to nerve and heart signalling. A tube handled roughly can falsely raise it.