Abbott i-Stat CG4 + Arterial - Point of Care Testing (POCT)


Sunquest Code:STAT4A  
Epic Code:POC202Epic Name:ISTAT Gasses Lactate Art POCT
Synonyms:Blood Gas; Lactic Acid; CG4
Methodology:Electrochemistry
Test Includes:Arterial pH, PCO2, PO2, HCO3, BE, sO2, Lactate
Turnaround Time:Performed daily; results are available immediately.


Collection Instructions

Specimen:Whole Blood
Optimal Volume:0.5 mL
Minimum\Peds Volume:0.1 mL
Container:See Collection Instructions (Dry heparin syringe)
Collection Instructions:For blood gases: Test immediately. Must be tested within 10 minutes of collection. Avoid or remove immediately any air drawn into syringe to maintain anaerobic conditions, If not testing immediately, re-mix sample by rolling syringe between palms for at least 5 seconds each in two different directions, then invert the syringe repeatedly for at least 5 seconds. Discard the first two drops of blood.
Causes for Rejection:Specimen not tested within 10 minutes of collection.


Processing and Shipping

Stability:Test immediately; must be tested within 10 minutes of collection. For questions, contact the point of care team at your facility.
Test Performed at or Referral Lab Point of Care  (Range, UMMC-West Bank, UMMC-East Bank, Ridges, Northland, Southdale, M Health Clinic and Surgery Center)


Interpretive

Critical Range:
pH Less than 7.2 Greater than 7.60
pCO2 Less than 20 mmHg Greater than 75 mmHg
pO2, arterial Less than 40 mmHg  
Bicarbonate Less than 11 mmol/L Greater than 45 mmol/L
Lactate   Greater than or equal to 3.9
   
Reference Range: 
pH
0-127 y arterial 7.35-7.45
 
pCO2
0-1 y arterial 26-40 mmHg
2-127 y arterial 35-45 mmHg
 
pO2
0-127 y arterial 80-105 mmHg
 
dHC03
0-1 y arterial 16-24 mmol/L
2 y & older arterial 21-28 mmol/L
 
Lactate
All ages 0.7-2.0 mmol/L
 
Use:Monitor blood gases and lactate values at the patient's bedside.


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