Reference range
ConventionalpH units
4.68
| Specimen | Random urine |
|---|---|
| Conventional range | 4.6–8 pH units |
| SI range | 4.6–8 pH units |
| Conversion factor | ×1 (conventional → SI) |
| Panel | Urinalysis |
Convert any Urine pH result between units on the unit converter.
Urinalysis
Urine pH
Normal range 4.6–8 pH units. Specimen: Random urine.
Also known as: urinary pH.
4.6–8 pH unitsReference range
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.
Source: Adult reference values compiled from Pagana & Pagana, Mosby's Diagnostic and Laboratory Test Reference, and Fischbach & Dunning, A Manual of Laboratory and Diagnostic Tests. Reference ranges vary by laboratory, method, age, sex, and population — always use the range printed on the actual result.
Above the range
Common causes of a high Urine pH
- Alkaline urine — UTI with urea-splitting bacteria, vegetarian diet
- Metabolic/respiratory alkalosis
Below the range
Common causes of a low Urine pH
- Acidic urine — high-protein diet, acidosis, DKA
At the bedside
Nursing considerations
- Affects stone formation; persistently alkaline urine may reflect infection.
Study aid
Your notes on Urine pH
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