Haemoglobin A2 (Blood)

Testing Laboratory

Auckland Te Toka Tumai | Auckland Hospital

Department

Haematology

Delphic Registration Code (Alpha Code)

HYSC

Test Code (Numeric Code)

1502

Laboratory Handling

Phlebotomy

Collect 1x 1ml EDTA blood sample.

Transport

Transport at ambient temperature (8-24°C).

Registration

Registered as HYSC

Separating

EDTA - Do not spin.

Laboratory

LabPlus Special Haematology

Test Adds Requirement

Only available as test add by Special Haematology.

Sample Stability

Refrigerated 2°C to 8°C for up to 7 days

Synonyms

HB A2

Turnaround Time

8 days

Analysed once a week as part of Haemoglobinopathy Screen.

Specimen Type

  • Whole Blood

Specimen Requirements

Tube/Container Type:

Preferred
  • EDTA (Lavender Cap)
Preferred Sample Volume (ml)

4

Minimum Sample Volume (ml)

1

No of Samples Required

1

Paediatric Specimen Requirements

Tube/Container Type:

Preferred
  • EDTA (Lavender Cap)
Preferred Sample Volume (ml)

1

Minimum Sample Volume (ml)

1

Additional Specimen Information

Alpha thalassemia strip test is done on the day the specimen arrives.
If the specimen is older than 24 hours the test is still performed. However, a negative strip does not exclude an alpha thalassemia trait.
Late arrival of sample is documented and commented on appropriately.

Last updated: 28/08/2026