Post Transfusion Purpura (PTP) | KK Women's and Children's Hospital

Specimen Container	Gel Separator tube & EDTA tube
Specimen Requirement	Adult: 5 mL plain blood and 6 mL EDTA blood Paeds: 5 mL plain blood and 1-2 mL EDTA blood Please discuss with BSG transfusion medicine physician (Tel: 6326 6022) before ordering this test. Phlebotomist's name and signature must be provided on the attached tube label and the test request form.
Specimen Storage/Transport	Specimen has to be stored and transported at room temperature within 24 hours of collection.
Orderable as Urgent?	No
Turn Around Time	7 days
Testing Laboratory Location	BSG
Laboratory	Tissue Typing Laboratory
Contact Number	6394 1352
Day and Time Performed	Mon - Fri: 0800 hrs to 1700 hrs Sat: 0800 hrs - 1230 hrs
Orderable on CPOE?	No
Downtime Form	Platelet Immunology Test Request Form
Additional Information	Consist of Platelet Antibody Detection and Human Platelet Antigen (HPA) Genotyping (Reflex testing if HPA antibody detected

Last Updated - 27 May 2025