The taking of the blood sample from the patient into the sample tube, and labelling of the sample tube, should be performed as one continuous, uninterrupted event.
Important factors about labelling of transfusion sample tubes:-
Key elements to be stated on the sample tube
The person who took the blood sample must complete the following details on the request form
The Transfusion Laboratory will not process incorrect or incompletely labelled samples. If the sample is for a crossmatch the clinical area will be notified of the breach in procedure and the need for a repeat sample. This may delay patient’s treatment.
The timing of a new transfusion sample is dependent on previous patient history.
Patient History | Sample validity |
Transfused or pregnant within last 3 months | Valid for 3 days |
Not transfused or pregnant within last 3 months | Valid for 7 days |
Please phone ext 7697 or bleep 298 out of hours for clarification if required.
NOTE: In view of the above sample requirements, add on tests are not applicable to transfusions. Contact the laboratory on ext 7697 or bleep 298 out of hours to discuss action to be taken.