Test Entry - Detail

Arterial Blood Gas

General

Clinical Use:

Used to assess acid-base status, blood gases and electrolytes in arterial whole blood samples.

Availability:

Analysis of samples by laboratory staff is available at QEII, FSH and RPH.

Aliases/Synonyms:

ABG, Blood Gas (Arterial),

Code:

ABG

Handling Instructions (to laboratory):

Sample must reach laboratory within 20 minutes of collection.

Hyperlink:

Reference Interval:

Adult Arterial Blood Gas Reference Intervals
pH 7.35 to 7.45
pCO2  36 to 45 mm Hg
pO2 85 to 110 mm Hg
Bicarbonate 21 to 28 mmol/L
Base Excess -3.0 to 3.0
Oxygen Saturation >95%
Whole blood Sodium: 135 to 145 mmol/L
Whole blood Potassium: 3.5 to 5.2 mmol/L
Whole blood Chloride: 95 to 110 mmol/L
Whole blood Glucose: 3.0 to 5.4 mmol/L (Fasting)
Whole blood Lactate: < 2.0 mmol/L
Ionised Calcium: 1.12 to 1.32mmol/L
Hb: 135 to 180 g/L (Male); 115 to 160g/L (Female)
MetHb: <1.5%
CarboxyHb: <6.0%

Collection Requirements

Container:

Blood Gas Syringe (SYRINGE),

Sample Type:

Minimum Collection Volume:

300uL

Collection Instructions:

Collection of ABG sample is to be done by medical staff.

Processing Requirements

Alternate Containers:

Processing Instructions:

After collection, the sample should be analysed immediately. If manually transported to the laboratory, sample should be kept chilled during transport.
Treat sample as irreplaceable.

Minimum Assay Volume:

300uL

Stability:

20 minutes ambient

Transport Instructions (to testing laboratory):

Deliver samples as soon as possible to the laboratory by hand. The pneumatic tube system is not recommended for transport of these samples as analytes may be affected.

Testing Locations

Performed at:

Section	Department	Site	Contact Phone
Core	Biochemistry	Fiona Stanley Hospital	6152 8140
Core	Biochemistry	QEII Medical Centre	6383 4093
Core	Biochemistry	Royal Perth Hospital	9224 1176

Last Updated : 24-05-2023 09:11