24-Hour Urine Test
What do the test results mean?
When a person has a normal intake of fluid, he or she produces a volume of urine ranging from 800 to 2000 milliliters per day (mL/day). A low urine volume may indicate dehydration, inadequate fluid intake, or kidney disease.
A high urine volume may indicate diabetes insipidus, a condition that interferes with normal excretion of urine. It may also indicate diabetes mellitus, high fluid intake, kidney disease, or use of diuretic medicines.
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