Osmolality, Urine

Test Code
UOSM


CPT Codes
83935

Preferred Specimen
0.5 ml aliquot of 24 hour urine collection or random.


Minimum Volume
0.06 ml aliquot of 24 hour urine collection or random


Transport Container
Urine container


Transport Temperature
Refrigerated


Specimen Stability
Room Temperature: 3 hours
Refrigerated: 3 days
Frozen: 7 days


Methodology
Freezing Point Depression

Setup Schedule
Daily


Report Available
Inpatient Turn around time: Stat 45 minutes, routine 3 hours.   Outpatient testing received by noon will be reported by 4:30 p.m. Specimens received after noon will be reported by the next morning.




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.