Laboratory Medicine
Test catalogue
Post-transfusion Purpura (PTP) | |
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Test NamePost-Transfusion Purpura (PTP) |
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Specimen Type / RequirementsContainer 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 |
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Specimen HandlingCollection 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. |
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Required DocumentationEnsure both requisitions are completed with ordering physician name and phlebotomist signature, date and time of draw. |
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Turnaround Time (TAT)14 Days. |
Test Utilization |
Reference ValueSee Report |
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Test CodeSENDO |
MethodologyHemagglutination |
Testing LocationReferred Out – MB, Canada (ROCBSW39) |
Other InformationLast Updated: December 2, 2020
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