these methods can be summarized in the following way : a regular factor vii clotting assay measuring factor vii coagulant activity ( factor viic ) is carried out simultaneously with : ( 1 ) a factor vii antigen assay ( factor viiag ) : ( 2 ) a coupled amidolytic factor vii assay ( factor viiam ) , or ( 3 ) a factor vii clotting assay utilizing bovine tissue thromboplastin ( viibt ) .
C0015502
factor vii
C0005778
clotting