Blood Transfusion Tests

Blood Group, Antibody Screening, and Cross Match

If you wish to convert a group and screen to a cross match, please phone the laboratory on 01271 322327 (ext. 2327).

Maximum Times for Add-on Requests – Blood Transfusion Samples

All Blood Transfusion samples are retained for 7 days. However, the issue of blood against a Group & Save sample is dependent on recent transfusion history.
Please see the Blood Transfusion Policy or contact the Transfusion Laboratory (2327) for further details.

Specimen Timing Requirements for Transfusion Samples

If a patient has been transfused or had a pregnancy confirmed within the last three months samples for the current transfusion must be less than 72 hours (3 days) old.

If a patient has never had a previous transfusion or not been pregnant with the last three months, samples for the current transfusion are valid for up to 7 days.

Allow 1 clear working day for elective crossmatching. Crossmatched blood is routinely returned to stock after 48 hrs unless discussed with the laboratory.

Last updated: April 6, 2020