Platelet Refractoriness

Blood Transfusion

Notes

• Requires Consultant Haematologist approval
• This test consists of a HLA type and HLA antibody screen
• Histocompatibility & Immunogenetics Diagnostic Laboratory Form 3A required to request this test (form available from Transfusion laboratory or available using the link below)
• The following factors are known to significantly affect the performance of the examination or the interpretation of the results: lipaemia, sample clotted (if EDTA), haemolysed. Any sample displaying these factors cannot be processed and will be rejected
• If Human Platelet Antibody (HPA) and HPA Antigen typing is required, refer to Histocompatibility & Immunogenetics Diagnostic Laboratory Form 3D. Also, please refer to the HPA Antigen Typing and HPA Antibody Screen test pages for further information

H&I Request Form (3A) - Platelet Refractoriness / Transfusion Reactions

Sample Requirements

• EDTA tube - 6mL

• Serum tube - 6mL

Required Information

NHSBT states that following points of identification MUST be on request form and sample tubes:

1. Forename
2. Surname
3. Date of birth
4. NHS number

The sample tube(s) must be signed and dated by the person taking the blood.

The H&I Laboratory may decline to test inadequately labelled samples

For further information on specimen labelling refer to the H&I 3A Platelet Refractoriness request form

Turnaround times

7 working days