Alpha-1-antitrypsin

Testing Laboratory

Auckland Te Toka Tumai | Auckland Hospital

Department

Chemical Pathology

Delphic Registration Code (Alpha Code)

AAT

Test Code (Numeric Code)

5874

Laboratory Handling

Phlebotomy

Fasting specimens are preferred for optimal results.

Sample Stability

7 days at 15-25 °C, 3 months at 2-8 °C, 3 months at -20 °C

Synonyms

[alpha 1 antitrypsin]

Turnaround Time

1 day

Specimen Type

  • Plasma

Specimen Requirements

Tube/Container Type:

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

4

Paediatric Specimen Requirements

Tube/Container Type:

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

0.500

Additional Specimen Information

Fasting specimens are preferred for optimal results.

Last updated: 09/03/2026