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The Canadian National
Inherited Bleeding Disorder
Genotyping Laboratory
Department of Pathology and Molecular Medicine Queen's University
LABORATORY ACTIVITY: January 1 to December 31, 2022
Hemophilia A
Referrals: 171
Affected males: 66
Carrier testing: 105
Hemophilia B
Referrals: 36
Affected males: 10
Carrier testing: 24
von Willebrand Disease
Referrals: 119
Rare Bleeding Disorders
Referrals: 30
Factor V: 2
Factor VII: 10
Factor X: 1
Factor XI: 6
Factor XII: 0
Factor XIII: 0
Factor V/VIII: 2
Fibrinogen: 7
ADAMTS13: 2
GPIba: 0
Protein S: 0
Protein C: 0
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