Interpret Your Potassium Results
Enter your K value below and get an instant, free AI interpretation — a plain-English explanation checked against WHO/IFCC reference ranges.
Medical Disclaimer
This AI-generated interpretation is for educational purposes only and does not constitute medical advice, diagnosis, or treatment. Results may vary based on individual health factors not captured here.
Always consult a qualified healthcare professional before making any health decisions. Read full disclaimer →
Potassium Normal Ranges
Potassium is the primary intracellular cation and is essential for maintaining the resting membrane potential of cells, particularly in cardiac muscle and nerves.
| Reference Range | Unit | Notes |
|---|---|---|
| 3.5 – 5 | mEq/L | — |
Also reported in: mmol/L.
Critical (Panic) Values
Critical Low: < 2.5 mEq/L. Critical High: > 6.5 mEq/L. Values outside these limits require immediate clinical attention.
Common Causes of High K
Common Causes of Low K
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