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Blood Gases
(a.k.a ABG)
Test Code: GAS
Special instructions
heparinised syringe - capped (remove needle) & sent on ice or Capillary for Paeds
Normal ranges
pH 7.35 - 7.45
PO2 11.07 - 14.4 kPa
PCO2 4.27 - 6.4 kPa
Hct 36 - 53 %
Sodium 133 - 146 mmol/L
Potassium 3.4 - 4.5 mmol/L
Calcium (ionised) 1.15 - 1.33 mmol/L
tHb 115 - 178 g/L
SO2 94 - 98 %
O2Hb 94 - 98 %
COHb 0 - 3.0 %
MetHb 0 - 1.5 % of Hb
Bilirubin no range quoted mg/dL
Glucose 4.0 - 6.0 mmol/L
Lactate 0.2 - 1.8 mmol/l
Turnaround Time
1
hour
Department: Biochemistry
Clinical Application
Please note that the ranges quoted above refer to samples analysed on, and are specific to, the Roche B221 gas analysers located within the trust only.
