Alpha-1-antitrypsin (Blood)

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
  • Serum

Specimen Requirements

Tube/Container Type:

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

4

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)
Acceptable
  • Lithium Heparin - Non-gel (Green Cap)
Preferred Sample Volume (ml)

0.5

Minimum Sample Volume (ml)

0.5

Additional Specimen Information

0.5 mL Paediatric Microtainer PST Blood (Preferred)
0.5 mL Paediatric Microtainer Heparin Blood

Fasting specimens are preferred for optimal results.

Last updated: 22/07/2026