View information on our visitor policy. >>

Information about coming with a patient for their appointment, test or surgery. >>


Text size: a a a

Laboratory Medicine

Test catalogue

Post-transfusion Purpura (PTP)

Test Name

Post-Transfusion Purpura (PTP)

Gold Tube Lavender Tube Specimen Type / Requirements

Container Type = 3 Lavender Tops and 2 Gold Top Tubes

Minimum Venous Volume = 3 x 4 mL EDTA specimen (lavender Top), 2 Gold top tubes (SST)

Tubes must fill to at least ½ or greater of its vacuum capacity

Specimen Handling

Collection Instructions: Collect sample in 3 lavender top tubes and 2 gold top (SST) tubes. Samples should be well mixed at time of collection. Requisition must have ordering physician, phlebotomist signature, collection date and time. Specimen must be clearly labeled with patient information.

Stability: Stable at room temperature for 2 hrs.

Transportation:Send to Transfusion Medicine lab at room temperature as soon as possible. Must be delivered to TM by 12:00pm, Moday - Thursday only.

Sample Rejection Criteria: Grossly hemolytic, icteric or lipemic specimens. Unlabeled and/or mislabeled specimens. Incomplete TM requisitions.

Required Documentation

Ensure both requisitions are completed with ordering physician name and phlebotomist signature, date and time of draw.

Turnaround Time (TAT)

14 Days.

Test Utilization

Reference Value

See Report

Test Code

SENDO

Methodology

Hemagglutination

Testing Location

Referred Out – MB, Canada (ROCBSW39)

Other Information

Last Updated: December 2, 2020