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Test Catalog

Test ID: PT    
Prothrombin Time, Plasma

NY State Approved Indicates the status of NY State approval and if the test is orderable for NY State clients.


Useful For Suggests clinical disorders or settings where the test may be helpful

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

-Lupuslike anticoagulant inhibitors (antiphospholipid antibodies)

-Nonspecific prothrombin time inhibitors (eg, monoclonal immunoglobulins, elevated fibrin degradation products)

Method Name A short description of the method used to perform the test

Electromagnetic Viscosity Detection System

Reporting Name A shorter/abbreviated version of the Published Name for a test; an abbreviated test name

Prothrombin Time, P

Aliases Lists additional common names for a test, as an aid in searching

Prothrombin Time, Plasma