Bicarbonate (Blood)

Testing Laboratory

Auckland Te Toka Tumai | Auckland Hospital

Department

Chemical Pathology

Delphic Registration Code (Alpha Code)

SBIC

Test Code (Numeric Code)

0103

Laboratory Handling

Phlebotomy

The tube must be filled with minimum air space above sample (at least 80% full).

Separating

Do not remove top or expose sample to air.

Laboratory

Place sample on Modular rack.

Sample Stability

4 hours at 15-25°C,7 days at 4-8°C, 6 months at -20°C

Associated Tests

Synonyms

Serum Bicarbonate, HCO3

Turnaround Time

3 hours

Specimen Type

  • Plasma
  • Serum

Specimen Requirements

Tube/Container Type:

Preferred
  • Lithium Heparin PST- Gel (Light Green Cap)
Acceptable
  • Heparin (Microtainer)
  • Lithium Heparin - Non-gel (Green Cap)
  • Plain (Red Top)
  • SST II (Gold Cap)
Preferred Sample Volume (ml)

5

Minimum Sample Volume (ml)

3.5

No of Samples Required

1

Paediatric Specimen Requirements

Tube/Container Type:

Preferred
  • Lithium Heparin PST- Gel (Light Green Cap)
Preferred Sample Volume (ml)

1

Last updated: 23/07/2026