pH (Urine)

Urine pH measures how acidic or alkaline (basic) your urine is. It can help identify conditions that affect the urinary tract and guide treatment for kidney stones.

Category: Urinalysis

Also known as: urine ph, ph urine, urine acidity, ph urina

Reference range: 5–8 pH (Source: ABIM)

Standard unit: pH

High values may indicate

High urine pH (alkaline) may indicate urinary tract infections, kidney tubular acidosis, vomiting, or a vegetarian diet.

Low values may indicate

Low urine pH (acidic) may indicate diabetic ketoacidosis, diarrhea, starvation, respiratory conditions causing excess CO2, or a high-protein diet.

Frequently asked questions

What is a normal pH (Urine) level?
A typical reference range for pH (Urine) is 5–8 pH (source: ABIM). Reference ranges vary by laboratory, age, and sex, so always compare against the range on your own lab report.
What units is pH (Urine) measured in?
pH (Urine) is most commonly reported in pH. Labs in different countries may use other units — you can convert between them with BloodId's blood test unit converter.
Where do pH (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 pH (Urine) over time?
Yes. Upload results from any lab and BloodId charts your pH (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

How we source our data

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Chart your pH (Urine) over time

Track your pH (Urine) over time with BloodId