For Research Use Only. Not for Use in Diagnostic Procedures. Chromogenic anti-Xa method for measuring homogeneously heparin and heparin-like anticoagulants, using the same calibration curve (kinetics method, one stage) with addition of exogenous AT III. The assay can also be used for testing heparin analogues, such as Sodium Danaparoid Orgaran®), or Pentasaccharide (Fondaparinux). Automatic or Manual method.