A B C D E F G H I J K L M N O P Q R S T U V W X Y Z #

Osmolality, Serum

Test Code
677


CPT Codes
83930

Preferred Specimen
1 mL serum


Minimum Volume
0.5 mL


Transport Temperature
Room temperature


Specimen Stability
Room temperature: 4 days
Refrigerated: 5 days
Frozen: 14 days


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross icteric • Gross hemolysis • Grossly lipemic • Heparinized plasma


Methodology
Freezing Point Depression

Setup Schedule
Monday-Saturday Morning Report available: Next Day


Reference Range
278-305 mOsm/kg


Clinical Significance
For the evaluation of fluid and electrolyte balance.




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.