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 #

Arterial Blood Gas, Electrolytes

Message
Performing Lab: Regions


Test Code
RH0039


Alias/See Also
Sunquest: BGEA


CPT Codes
82803, 82374, 84132, 82330, 84295

Includes
Arterial pH; pCO2; pO2; Sodium; Potassium; Ionized Calcium; HCO3; Base Excess/Defecit; O2 Saturation


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.)


Transport Container
Blood Gas Syringe


Transport Temperature
Ice Slush


Specimen Stability
Ice Slush: 1 hour
Room Temperature: 30 minutes


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Room Temperature >30 minutes


Methodology
Electrode

Setup Schedule
Daily


Report Available
Same Day


Reference Range
Arterial reference ranges:
Analyte Age Reference Range Critical Value
pH 0 - 1 month 7.35 - 7.45 ≤7.200 or ≥7.500
>1 month ≤7.200 or ≥7.600
pCO2 All ages  35 - 45 mmHg <15 or >70 mmHg
pO2 All ages  80 - 100 mmHg <50 mmHg
Bicarbonate All ages  22.0 - 26.0 mmol/L  
Base Excess/Base Defecit All ages  0 mmol/L  
Oxygen Saturation All ages   96.0 -100.0 %  
Oxygen Content All ages  not defined  
Sodium All ages  135 - 145 mmol/L  
Potassium All ages   3.5 - 5.3 mmol/L  
Chloride All ages   95 – 106 mmol/L  
Glucose All ages   70 – 180 mg/dL <50 mg/dL or >450 mg/dL
Lactate All ages  0.7 – 2.1 mmol/L ≥ 4.0 mmol/L
Ionized Calcium 0 - 48 hours 1.00 - 1.20 mmol/L  
2 - 30 days 1.00 - 1.50 mmol/L  
1 - 6 months 0.95 - 1.50 mmol/L  
> 6 months  1.0 - 1.3 mmol/L  
Total Hemoglobin All ages  12.0 - 18.0 gm/dL  
Carbon Monoxide Non-Smokers 0.0 - 2.0 % ≥ 15.0 %
Smokers 5-6 %
Methemoglobin All ages  0 - 3.0 %  


Clinical Significance
See indiviudal tests for clinical significance




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.