Test Directory
Platelet Aggregation Studies
Reference ranges
Reference range for Platelet aggregation is 50 - 100%
All results are compared to a normal control, tested alongside the patient sample.
Laboratory Site
Old Dalkeith Road
Edinburgh
EH16 4SA
Special instructions for collection
Sample tubes are provided directly from the Specialist Haemostasis Laboratory. Contact the Laboratory on 0131 242 6837
How to request
Must be discussed and arranged with Haematology medical staff.
Availability
Anticipated turnaround
21 days
What happens if the result is positive or abnormal
Results are not phoned. This test is only available by direct requesting from Haematology medical staff.
Static information/disclaimer
This test is not accredited to ISO15189 at the Royal Infirmary of Edinburgh.
General additional information
These studies induce platelet aggregation using the following agonists:
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- Epinephrine
- Ristocetin
- Arachidonic Acid
- Collagen
- ADP
- U46619
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The range of drugs known to affect platelet aggreggation responses is wide. Asprin, in particular, will affect the results. The patient should not have taken any aspirin containing medication at least 10days prior to testing. Where patients have low platelet counts, it can be difficult to obtain meaningful aggregation results