Haemolysis Screen (Blood)

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Testing Laboratories

Auckland Te Toka Tumai | Auckland Hospital
Blood Bank Auckland Hospital

Department

Haematology, Blood Bank, Chemical Pathology

Delphic Registration Code (Alpha Code)

Haptoglobin
Alpha Code: HPT | Numeric Code: 3261

Lactate Dehydrogenase (LDH)
Alpha Code: SLDH | Numeric Code: 0138

Bilirubin
Alpha Code: SBIL | Numeric Code: 0112

Full Blood Count (FBC) + Blood Film Examination
Alpha Code: FBC | Blood Film: CFLM

Reticulocyte Count
Alpha Code: RET | Numeric Code: 1151

Direct Antiglobulin Test (DAT)
Send to Blood Bank

Laboratory Handling

Phlebotomy

Collection Information

Haptoglobin, Bilirubin and Lactate Dehydrogenase (LDH)
Preferred specimens: 4.5 mL PST Blood or 0.5 mL Paediatric Micro-PST Blood.
Alternative specimens: 5 mL Heparin Blood, 4 mL Plain Serum, 3.5 mL SST Blood, 0.5 mL Paediatric Microsample Blood, 0.5 mL Paediatric Micro-heparin Blood, or 0.5 mL Paediatric Micro-SST Serum.

Full Blood Count (FBC) with Blood Film Examination
Collect 4 mL EDTA Blood.

Reticulocyte Count
Collect 250 µL Micro-EDTA Blood.

Direct Antiglobulin Test (DAT)
Send to Blood Bank.
Collect 7 mL EDTA Whole Blood and 5 mL EDTA Cord Blood.

Laboratory

Please note that certain tests are performed in different departments.

Biochemistry
Haptoglobin (HPT), Lactate Dehydrogenase (LDH; SLDH), and Bilirubin (SBIL).

Haematology
Full Blood Count (FBC), Blood Film Examination (CFLM), and Reticulocyte Count (RET).

Blood Bank
Direct Antiglobulin Test (DAT) – send to Blood Bank.

Sample Stability

See individual tests

Associated Tests

Turnaround Time

4 days

Specimen Type

  • Plasma
  • Semen
  • Whole Blood

Specimen Requirements

Tube/Container Type:

Preferred
  • EDTA (Lavender Cap)
  • Lithium Heparin PST- Gel (Light Green Cap)
Acceptable
  • Please refer to Additional Information below
  • Lithium Heparin - Non-gel (Green Cap)
  • Plain (Red Top)
  • SST II (Gold Cap)
Preferred Sample Volume (ml)

4.5

Minimum Sample Volume (ml)

2

No of Samples Required

1

Paediatric Specimen Requirements

Tube/Container Type:

Preferred
  • EDTA (Microtainer)
  • Heparin (Microtainer)
  • Please refer to Additional Information below
Acceptable
  • EDTA (Microtainer)
  • Plain(Microtainer)
  • Please refer to Additional Information below
  • SST(Microtainer)
Preferred Sample Volume (ml)

0.5

Minimum Sample Volume (ml)

0.5

Additional Specimen Information

Haptoglobin, Bilirubin and LDH
Preferred specimen: 4.5 mL PST Blood or 0.5 mL Paediatric Micro-PST Blood.
Alternative specimens: 5 mL Heparin Blood, 4 mL Plain Serum, 3.5 mL SST Blood, 0.5 mL Paediatric Microsample Blood, 0.5 mL Paediatric Micro-heparin Blood or 0.5 mL Paediatric Micro-SST Serum.

Full Blood Count with Film
Collect 4 mL EDTA Blood.

Reticulocyte Count
Collect 250 µL Micro-EDTA Blood.

Direct Antiglobulin Test (DAT)
Send to Blood Bank. Collect 7 mL EDTA Whole Blood and 5 mL EDTA Cord Blood.

Last updated: 19/10/2026