Carboxyhaemoglobin

Testing Laboratory

Department

Chemical Pathology

Delphic Registration Code (Alpha Code)

CARB

Test Code (Numeric Code)

0832

Laboratory Handling

Phlebotomy

Only non gel dark green heparin tube acceptable

Separating

Carboxyhaemoglobin {Heparin(Whole Blood). Do Not Spin.}

Sample Stability

-

Synonyms

Carboxyhaemoglobin

Turnaround Time

1 hour

Specimen Type

• Whole Blood

Specimen Requirements

Tube/Container Type:

Preferred

• Lithium Heparin - Non-gel (Green Cap)

Acceptable

• Heparin (Microtainer)
• Blood Gas Syringe

Paediatric Specimen Requirements

Tube/Container Type:

Preferred

• Heparin (Microtainer)

Acceptable

• Blood Gas Syringe
• Lithium Heparin - Non-gel (Green Cap)

Additional Specimen Information

5 mL Heparin Blood (Preferred)
Micro-heparin0.5 mL Paediatric Micro-heparin Blood
1 mL Blood Gas

Uncertainty of Measurement

Uncertainty of Measurement : 1% up to a concentration of 27% of total haemoglobin The half-life of carboxyhaemoglobin in the body is 5 - 6 hours when the patient breathes air; it is decreased to 1.5 hours on 100% oxygen. After blood is taken carboxyHb is stable for at least a week at room temperature.

Carboxyhaemoglobin {Heparin(Whole Blood). Do Not Spin.}

Contact Information