Osmolality urine test

The osmolality urine test measures the concentration of particles in urine.

Osmolality can also be measured using a blood test.

Osmolality test

An osmolality urine test is performed to measure the concentration of particles in urine. Greater than normal results may indicate conditions such as Addison disease, congestive heart failure or shock. Lower-than-normal measurements may indicate aldosteronism, diabetes insipidus, excess fluid intake, renal tubular necrosis or severe pyelonephritis.

Female urinary tract

The female and male urinary tracts are relatively the same except for the length of the urethra.

Male urinary tract

The male and female urinary tracts are relatively the same except for the length of the urethra.

Osmolality urine - series

An osmolality test measures the concentration of particles in a solution. In this case, the solution is urine.

How the Test is Performed

How to Prepare for the Test

How the Test will Feel

Why the Test is Performed

Normal Results

What Abnormal Results Mean

Risks