Osmolality, Urine

Test Code
UROSMO(SD) (3204UR)

Quest Code
3204UR

CPT Codes
83935

Preferred Specimen
2 mL urine collected in sterile screw cap-container

Minimum Volume
0.5 mL

Transport Temperature
Room temperature

Specimen Stability
Room temperature: 7 days
Refrigerated: 14 days
Frozen: 60 days

Methodology
Freezing Point Depression

Setup Schedule
Mon-Sat

Report Available
1 to 2 Day(s)

Reference Range
50-1200 mOsm/kg

Clinical Significance
For assessing the concentrating ability of the kidney.

Performing Laboratory
Quest Diagnostics Nichols Institute
27027 Tourney Road
Valencia, CA 91355-5386



The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.