Ordering Recommendations

Monitoring intensity of oral anticoagulant therapy when combined with INR reporting

Screening assay to detect deficiencies of 1 or more coagulation factors (factors I, II, V, VII, X) due to:
-Hereditary or acquired deficiency states
-Vitamin K deficiency
-Liver disease
-Specific coagulation factor inhibitors
-Screening assay to detect coagulation inhibition ("circulating anticoagulants") associated with:
-Specific coagulation factor inhibitors
-Lupus-like anticoagulant inhibitors (antiphospholipid antibodies)
-Nonspecific prothrombin time inhibitors (eg, monoclonal immunoglobulins, elevated fibrin degradation products)