Blood Group & Antibody Screen (Group and Hold)

Testing Laboratories

Department

Blood Bank

Delphic Registration Code (Alpha Code)

N/A

Test Code (Numeric Code)

0000

Laboratory Handling

Sample Stability

7 days

Synonyms

Blood Group and Coombs

Turnaround Time

1 hour

Specimen Type

• Whole Blood

Specimen Requirements

Tube/Container Type:

Preferred

• Cross Match (Pink Cap)

Preferred Sample Volume (ml)

6

Paediatric Specimen Requirements

Tube/Container Type:

Preferred

• EDTA (Lavender Cap)

Minimum Sample Volume (ml)

0.5

Pre-testing Requirements

Use the NZBS request form 111F159 for in-patients and preadmit patients.
Blue CMDHB forms can also be used for antenatal patients
Give FULL identification - Sample must contain 3 types of identification. These are:
1. Patient's full name (surname and first names)
2. Patient's date of birth
3. Patient's NHI number
Sample must be signed and details must be hand written on the tube - no sticky labels.

Include number and date of any previous transfusions or pregnancies and any antibodies present.

All patient samples need around 21 day validity unless they have been transfused or pregnant within the prior 3 months. For these patients a 72-hour validity applies. For placenta praevia patients a seven-day validity may be arranged by contacting Blood Bank.

Contact Information