Deoxyhaemoglobin, blood gas

Diagnostic Use

Deoxyhaemoglobin refers to the fraction of haemoglobin which is not bound to oxygen.

Department

Core Biochemistry

Delphic Registration Code

BGS

Turnaround Time

60 minutes

Test Code

3089

Specimen Type

• Whole Blood

Specimen Requirements

Tube/Container Type:

Preferred

• Syringe

Preferred Sample Volume (ml)

0.5

Additional Specimen Information

200uL in capillary tube or 500uL whole blood in a 1 mL syringe, transported on ice.
Must be received in the laboratory within 15 minutes of collection (Note: remove needle for transport.)

Aliquot Instructions

Interpretation

Deoxyhaemoglobin is reported on a blood gas specimen.  An elevated deoxyhaemoglobin usually indicates hypoxaemia.  Patients with a high deoxyhaemoglobin may appear cyanosed due to the purple-blue colour of deoxyhaemoglobin (in comparison with the red colour of oxyhaemoglobin).

Reference Intervals

Arterial blood: 0 – 5 %

A venous blood deoxyhaemoglobin reference interval is not available

Test Method

Co-oximetry on a blood gas analyser

Non-Funded Test Cost

$28.50 (Exclusive of GST)

Billing Code

3002

Contact Information

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