Test directory: ISTAT CG4 - Arterial Blood Gas and Lactate

Ordering Code 8451
Test Name ISTAT CG4 - Arterial Blood Gas and Lactate
Preferred Specimen Arterial Whole Blood
Preferred Container 2 * (Miscellaneous)
Specimen Stability Test immediately
Avail. Stat NO

Reference range(s) for i-Stat Lactate, Arterial

The reference ranges listed below are valid on this date of March 14, 2026.
Component Age Male Norm Male Critical Low Male Critical High Female Norm Female Critical High Female Critical Low Units Add'l info
Lactate, Arterial ALL 0.36-1.25 0.36-1.25 mmol/L

Reference range(s) for i-STAT Blood Gas, Arterial

The reference ranges listed below are valid on this date of March 14, 2026.
Component Age Male Norm Male Critical Low Male Critical High Female Norm Female Critical High Female Critical Low Units Add'l info
Source ALL See report.
pH, Arterial ALL 7.35-7.45 <= 7.20 >= 7.55 7.35-7.45 >= 7.55 <= 7.20
pCO2, Arterial ALL 35-45 <= 20 >= 70 35-45 >= 70 <= 20 mmHg
pO2, Arterial ALL 80-105 <= 40 80-105 <= 40 mmHg
Base Excess, Arterial ALL (-2)-(3) (-2)-(3) mmol/L
Bicarbonate, Arterial ALL 22-26 22-26 mmol/L
O2 Sat (Calc), Arterial ALL 95-98 95-98 %
Temp (Pt) ALL F See report.
FIO2 ALL % See report.
Route ALL See report.
Mode ALL See report.
Set Rate ALL Br/min. See report.
PEEP/CPAP/EPAP ALL cmH2O See report.
VT ALL mL See report.
Press. Support/IPAP ALL cmH2O See report.
Insp. Pressure ALL cmH2O See report.
O2 Liter Flow ALL LPM See report.
pO2/FIO2 Ratio ALL See report.