Information about a laboratory test

Urine pH: What Does This Test Mean?

The Urine pH test assesses how acidic or alkaline urine is.

Test summary

Test name
Urine pH
Abbreviations
Urine pH
Category
Urinalysis / Acid-Base
Panel
Urinalysis
Specimen
Urine
Common units
pH

What does the test measure?

The Urine pH test assesses how acidic or alkaline urine is.

Why is the test ordered?

It is used to assess urine acid-base characteristics and provide context in some stone or infection evaluations.

Information about a low result

Low pH means more acidic urine; diet, medicines and metabolic factors can influence it.

Information about a high result

High pH means more alkaline urine; diet, specimen delay, some bacteria and medicines can influence it.

Reference and clinical context

Start with the performing laboratory's reference interval, method, collection conditions and reporting unit. Urinalysis findings do not establish a diagnosis on their own.

Reference range 1

>= 4.6 – <= 8 pH

Population
General urine sample
Specimen
Urine
Method
Dipstick / laboratory pH

Sourced reference context for Urine pH

This is sourced example reference/clinical-context information; the user's own laboratory report and specimen conditions take priority.

Reference ranges may vary by laboratory, method used, age, sex, pregnancy status, and clinical context. The reference range on your own laboratory report takes precedence.

Interpretation notes

Start with the performing laboratory's reference interval, method, collection conditions and reporting unit. Urinalysis findings do not establish a diagnosis on their own. Interpretation may be more informative when related urine parameters are considered together.

Related specialties

  • Urology
  • Nephrology
  • Internal Medicine
  • Family Medicine

Frequently asked questions

More information about this test

Sources

  1. Urinalysis — U.S. National Library of Medicine (MedlinePlus)

    Government medical reference · 2025 · Urinalysis components, routine use and qualitative normal findings · Verified: Aug 12, 2026

  2. Urine pH test — U.S. National Library of Medicine (MedlinePlus)

    Government medical reference · 2025 · Urine pH purpose and example reference interval · Verified: Aug 12, 2026

  3. Crystals in Urine — U.S. National Library of Medicine (MedlinePlus)

    Government medical reference · 2024 · Urine crystals, stone context and qualitative normal findings · Verified: Aug 12, 2026