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What causes a low Urine pH?

Normal range 4.6-8 pH units. Specimen: Random urine. See the full Urine pH reference page for critical values and nursing considerations.

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Common causes of a low Urine pH

  • Acidic urine - high-protein diet, acidosis, DKA

Looking for the other direction? See what causes a high Urine pH.

What is the normal range for Urine pH?

The standard teaching reference range for Urine pH is 4.6-8 pH units. This value is measured in random urine.

Urine pH reference range and specimen details
SpecimenRandom urine
Conventional range4.6-8 pH units
SI range4.6-8 pH units
PanelUrinalysis

Full details, including nursing considerations, on the Urine pH normal range page. Reference ranges vary by laboratory, method, age, sex, and population - always use the range printed on the actual result.

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