Saturday, February, 11, 2012

Urine pH

Table of Contents

Alternative Names

pH - urine


Normal Values

The normal values range from 4.6 to 8.0.

Normal value ranges may vary slightly among different laboratories. Talk to your doctor about the meaning of your specific test results.


What abnormal results mean

A high urine pH may be due to:

  • Gastric suction
  • Kidney failure
  • Kidney tubular acidosis
  • Urinary tract infection
  • Vomiting

A low urine pH may be due to:

  • Diabetic ketoacidosis
  • Diarrhea
  • Starvation

The test also may be performed to investigate:

  • Alkalosis
  • Interstitial nephritis
  • Acidosis
  • Sepsis


Review Date: 08/07/2009
Reviewed By: David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org)