Unit Code 9070:
Coagulation Factor VIII Activity Assay, Plasma
Useful For
Suggests clinical disorders or settings where the test may be helpful
Diagnosing hemophilia A
Diagnosing vWD when measured with the vWF antigen and
ristocetin cofactor activity
Diagnosing acquired deficiency states
Investigation of prolonged activated partial thromboplastin time (APTT)
Special Instructions and Forms
Describes specimen collection and preparation information, test algorithms, and other information pertinent to test. Also includes pertinent information and consent forms to be used when requesting a particular test
Method Name
A short description of the method used to perform the test
Activated Partial Thromboplastin Clot-Based Assay
Not offered for detection of hemophilia carrier.
Coagulation testing is highly complex, often requiring
the performance of multiple assays and correlation with
clinical information. For that reason, we suggest ordering
"Coagulation Consultations."
Reporting Name
A shorter/abbreviated version of the Published Name for a test; an abbreviated test name
Coag Factor VIII Activity Assay, P
Ordering Mnemonic
An alternate Mayo code (to the Unit Code) for a test
F8A
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
Soft-F8A


