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Test Code O2 Sat % Oxygen Saturation

Important Note

Avoid air bubbles.

Place specimen in outside pocket of a pre-filled biohazard bag of ice, then put into a separate biohazard bag for transport.

Clinical System Name

% Oxygen Saturation

Synonyms

O2 SAT

Oxygen Saturation

sO2

Sample Requirements

Specimen:  Whole Blood

Container(s):  Heparinized Syringe, Capillary Blood Gas Tubes

Preferred Vol:  1.0 mL venous blood in a Heparinized Syringe, 2 Capillary Blood Gas Tubes

Minimum Vol: 2 Heparinized Capillary Blood Gas Tubes. (EPOC capillary tubes are not acceptable).  

 

Note:  Expel air from syringe and cap it immediately after obtaining the sample. Capillary tubes must be filled completely and mixed thoroughly to dissolve and disperse the heparin. EPOC capillary tubes are not acceptable.

 

Processing Instructions

Deliver to Core Lab. Notify technologist - STAT

 

Reject due to:  Inadequately filled specimens, air bubbles, visible clots, age of specimen

Spin:  No

Aliquot:  No

Temp: 0-4o C

 

 

Stability

Specimen Type Temperature Time
Heparinized Syringe, Heparinized Capillary Blood Gas Tube RT ≤ 15 min.
Heparinized Syringe, Heparinized Capillary Blood Gas Tube 0-4o C 30 min
  -20o C or -70oC No

 

Availability

STAT Performed TAT
Yes 24/7 15 minutes

 

Performing Laboratory

Seattle Children's Laboratory    

Department

Department:  Chemistry - Core

Phone Number: 206-987-2617

 

 

Reference Range

 

Age % Saturation
0 - 1 D 85 - 90
> 1 D

95 - 98

 

 

Infant saturation values are slightly lower.
 

Methodology

Method:  Oximetry by SIEMENS RAPIDPOINT 405

 

Analytical Volume: 

AGE VOLUME
0-2 Y  0.2 mL Heparinized Capillary Blood Gas Tube
> 2 Y 0.5 mL Heparinized Syringe

 

CPT Codes

82810