Osmolality, Urine
Fasting Required: No

Specimen: Urine

Lab: Quest Diagnostics

Results: 5-7 business days
Note: Result turnaround times are an estimate and are not guaranteed. Our reference lab may need additional time due to weather, holidays, confirmation/repeat testing, or equipment maintenance.

Description: To help evaluate the body's water and electrolyte balance and to investigate increased or decreased urine production. This test is also used to detect the ingestion of toxins such as methanol and to monitor the effectiveness of treatment for conditions affecting osmolality.