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O2 Saturation, Measured Arterial
MessagePerforming Lab: Regions
Test Code
RH0169
Alias/See Also
Sunquest: FO2HB; Oxhemoglobin
Preferred Specimen
1.0 mL Heparinized Arterial Blood (Blood Gas Syringe)
Minimum Volume
0.5 mL
Other Acceptable Specimens
Heparinized Capillary
Instructions
Samples should be free of air bubbles, received on ice slush and run immediately. (Exceptions to the ice slush are samples received via the pneumatic tube system, as long as they are received within 30 minutes of collection.)
HP Clinics & Sartell - order CAI to Quest
HP Clinics & Sartell - order CAI to Quest
Transport Container
Blood Gas Syringe
Transport Temperature
Ice Slush
Specimen Stability
Ice Slush: 1 hour
Room Temperature: 30 minutes
Room Temperature: 30 minutes
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Room Temperature >30 minutes
Methodology
CO-Oximetry
Setup Schedule
Daily
Report Available
Same Day
Reference Range
96 - 100%
Clinical Significance
Oxygen saturation is a ratio, expressed as a percentage of the volume of oxygen carried to the maximum volume that can be carried by the hemoglobin. Knowledge of oxygen saturation, when combined with knowledge of oxygen content, is useful for evaluating the amount of oxygen actually available for the tissues and can be used to determine the effectiveness of oxygen therapy.
