Osmolality Urine Test

The Osmolality Urine Test provides a measure of the dissolved particles such as sodium, potassium, chloride, glucose and urea in a urine sample

Quest
LabCorp

Test Code: 678

CPT Code: 83935

Also Known As:

Methodology:

Freezing Point Depression

Preparation:

No special preparation required.

Test Results:

3-5 Days. May take longer based on weather, holiday or lab delays.

Description

Evaluate concentrating ability of the kidneys (eg, in acute and chronic renal failure); evaluate electrolyte and water balance; used in work-up for renal disease, syndrome of inappropriate antidiuretic hormone secretion (SIADH), and diabetes insipidus; may be used with urinalysis when patient has had radiopaque substances, has glycosuria or proteinuria; evaluate dehydration, amyloidosis.

Trusted, Secure, & Confidential

Shop All Tests