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Oxygen saturation, measured

Message
Performed in the Chemistry Laboratory, x5820
This test is part of the blood gas panel


Test Code
O2SM


CPT Codes
94760

Preferred Specimen
Whole blood, lithium heparin syringe


Minimum Volume
1 mL


Instructions
Analyze immediately


Transport Container
Heparinized syringe


Transport Temperature


Room temperature




Specimen Stability


Room Temperature: 30 minutes




Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
QNS, clotted


Methodology
Co-oximetry using a polychromator to detect optical absorbance

Setup Schedule


This assay is performed 24 hours/ 7 days per week.




Reference Range
0 to 1 year: 40-90%
>1 year: 95-98%


Clinical Significance


This test is used to determine the percentage of hemoglobin binding sites in the bloodstream occupied by oxygen.






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.