Carboxyhaemoglobin (Blood)

Department

Chemical Pathology

Delphic Registration Code (Alpha Code)

BGAS

Test Code (Numeric Code)

0340

Laboratory Handling

Sample Stability

7 days

Associated Tests

Synonyms

COHb, Carbon monoxide poisoning

Turnaround Time

15 minutes

Available 24 hours

Specimen Type

  • Whole Blood

Specimen Requirements

Tube/Container Type:

Preferred
  • Blood Gas Syringe
Acceptable
  • Lithium Heparin - Non-gel (Green Cap)
Minimum Sample Volume (ml)

0.5

Paediatric Specimen Requirements

Tube/Container Type:

Preferred
  • Paediatric Blood Gas Capillary Tubes
Minimum Sample Volume (ml)

0.95

Additional Specimen Information

4 mL Heparin tube - non gel (green top) must be full

Last updated: 15/04/2026