Resources

OSMOLALITY, URINE, RANDOM

Test Code
OSMUR


CPT Codes
83935

Preferred Specimen
Sterile Container


Minimum Volume
5 mL urine


Instructions
Refrigerate specimen


Transport Temperature
Refrigerate


Specimen Stability
2-8°C up to 24 hours


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Urine submitted in an additive will be rejected


Methodology
Freezing point depression

Setup Schedule
M, T, W, Th, F, Sa, Sun


Report Available
Within 24 hours of receipt at the performing laboratory.


Reference Range

50-1200 mOsm/kg



Performed By
Alverno Laboratories

Performing Laboratory
Alverno Central Lab  
NCH15 (Chemistry, Manual)


Last Updated: June 9, 2023


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.