Potassium (Urine)
The urine potassium test measures the amount of potassium excreted in urine. It helps evaluate kidney function, electrolyte balance, and the cause of abnormal blood potassium levels.
Category: Urinalysis
Also known as: urine potassium, potassium urine, urinary potassium, urine k
Reference range: 25–125 mEq/L (Source: ABIM)
Standard unit: mEq/L
High values may indicate
High urine potassium may indicate hyperaldosteronism, diabetic ketoacidosis, kidney tubular acidosis, diuretic use, or excessive potassium intake.
Low values may indicate
Low urine potassium may indicate acute kidney failure, adrenal insufficiency, diarrhea, or inadequate dietary potassium.
Frequently asked questions
- What is a normal Potassium (Urine) level?
- A typical reference range for Potassium (Urine) is 25–125 mEq/L (source: ABIM). Reference ranges vary by laboratory, age, and sex, so always compare against the range on your own lab report.
- What units is Potassium (Urine) measured in?
- Potassium (Urine) is most commonly reported in mEq/L. Labs in different countries may use other units — you can convert between them with BloodId's blood test unit converter.
- Where do Potassium (Urine) reference ranges come from?
- BloodId uses ABIM standard reference ranges and educational information from MedlinePlus (see our methodology). Reference ranges still vary by lab, age, and sex, so always compare against your own report.
- Can I track Potassium (Urine) over time?
- Yes. Upload results from any lab and BloodId charts your Potassium (Urine) over time against its reference range, so you can see whether the trend is rising, falling, or stable.
Related biomarkers
Source: MedlinePlus, U.S. National Library of Medicine
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