Genetic testing is the only way to definitively diagnose QPD, as most other tests cannot confirm this diagnosis. Methods include polymerase chain reaction or Southern blotting for the genetic sequence, or assays for<unk>  uPA levels or<unk>  granules.
Quebec platelet disorder
Harris platelet syndrome
Gray platelet syndrome
Sticky platelet syndrome
Glanzmann's thrombasthenia
Bernard–Soulier syndrome
Pseudo gray platelet syndrome
Von Willebrand disease