Osmolality, Serum

Supply # 53712 Red Top Tube (NO GEL) 10mL

Test Code: 677

CPT Code(s): 83930

Supply: 53712 Red Top Tube (NO GEL) 10mL

Methodology: Freezing Point Depression

Clinical Significance: Serum osomolality is increased in hypernatremia, hyperglycemia, uremia, ethanol, methanol, or ethylene glycol overdoses, and in diabetes insipidus.

Additional names: N/A

Collection Guide: 

Supply: 53712 Red Top Tube (NO GEL) 10mL

Preferred Specimen: Serum

Preferred Volume: 1mL

Transport Container: Sterile transport container

Transport Temperature: Room Temperature

Specimen Stability: Room Temperature: 24 hours

Special Instructions: Must be collected in red top tube. SST not acceptable. Allow specimen to clot, spin down (centrifuge) sample, and pour serum into a sterile transport container.

Reject due: Serum recieved on cells; Gross hemolysis

For additional supply or collection device information, please contact DLO's Customer Service at (800) 891-2917, option 2.

The CPT codes provided 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.