Results of thrombophilia screening

TestResultLaboratory normal range
Prothrombin gene (20210A) mutationHeterozygous
Factor V Leiden mutationNegative
Antithrombin III activity (%)7080–155
Antithrombin III (4 months later) (%)8580–155
Protein C activity (%)6665–165
Protein S free antigen (%)7970–115
Protein S total antigen (%)8765–115
Activated protein C resistance ratio3.05>2.3
IgG anticardiolipin antibodies (GPL U/ml)4.10.0–14.1
IgM anticardiolipin antibodies (MPL U/ml)1.30.0–1.6 MPL U/ml
Russell’s viper venom test ratio1.160.9–1.1
50/50 Russell’s viper venom ratio1.010.9–1.1
Platelet neutralisation ratio1.16
Correction (%)0.00.0–12