Urine pH Urine Acid / Base Balance

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What is it?

Urinalysis refers to a series of tests that can be run to assess the chemical quality of the urine. Typically, this is done by dipping a strip into the urine sample, and chemical reactions change the color of the pads. Urine pH is a test that analyzes the acidity or alkalinity of a urine sample. Many diseases, your diet, and the medicines you take can affect how acidic or basic your urine is. For instance, results that are either too high or low can indicate the likelihood that your body will form kidney stones. If your urine is at an extreme on either the low or high end of pH levels, you can adjust your diet to reduce the possibility of kidney stones.

Optimal range

5 - 8 pH

What are low values associated with?

A low urine pH, or more acidic urine, could indicate an environment conducive to kidney stones. Other conditions that prefer an acidic environment are:



            -Diabetic ketoacidosis



What are high values associated with?

A high urine pH, or more alkaline urine, may be due to:

            -Kidneys that do not properly remove acids

            -Kidney failure

            -Stomach pumping

            -Urinary tract infection       


Biomarker category


Other biomarkers in this category

Chloride, Urine, Coproporphyrin I, Coproporphyrin III, Heptacarboxyporphyrin, Hexacarboxyporphyrin, Pentacarboxyporphyrin, Porphyrins, Potassium, Urine, Sodium, Urine, Total Porphyrins, Urine Occult Blood, Urine pH, Urine Specific Gravity, Uroporphyrin I, Uroporphyrin III

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