Test Catalog

Test ID: F8A    
Coagulation Factor VIII Activity Assay, Plasma

Useful For Suggests clinical disorders or settings where the test may be helpful

Diagnosing hemophilia A


Diagnosing von Willebrand disease when measured with the von Willebrand factor (VWF) antigen and VWF activity


Diagnosing acquired deficiency states


Investigation of prolonged activated partial thromboplastin time

Testing Algorithm Delineates situations when tests are added to the initial order. This includes reflex and additional tests.

See Hemophilia Testing Algorithm in Special Instructions.

Special Instructions Library of PDFs including pertinent information and forms related to the test

Method Name A short description of the method used to perform the test

Optical Clot-Based

NY State Available Indicates the status of NY State approval and if the test is orderable for NY State clients.


Reporting Name Lists a shorter or abbreviated version of the Published Name for a test

Coag Factor VIII Activity Assay, P

Aliases Lists additional common names for a test, as an aid in searching

Coagulation Factor VIII Activity Assay, Plasma
Factor VIII - Off hours order 399
Factor VIII Activity Assay
Hemophilia A