Osmolality Serum

Message
Sample must come to room temp prior to analysis Do NOT dilute samples >2000mOsm/kg


Test Code
OSMO


Preferred Specimen
1 mL Serum or PST(Li Heparin)


Instructions
"Minimum specimen requirement 0.5ml serum
Testing Frequency: Performed as Ordered"


Transport Container
SST


Transport Temperature
Refrigerate


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Stability: 3hrs Room Temp; 10hrs at 2-8 degreeC


Methodology
Freezing Point Depression

Reference Range
"M Up to 4 Weeks 266 - 295 mOsm/kg
M Up to 60 Years 275 - 295 mOsm/kg
M Up to 199 Years 280 - 301 mOsm/kg
F Up to 4 Weeks 266 - 295 mOsm/kg
F Up to 60 Years 275 - 295 mOsm/kg
F Up to 199 Years 280 - 301 mOsm/kg"




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.