Test ID: PT
Prothrombin Time, Plasma
Secondary ID 
A test code used for billing and in test definitions created prior to November 2011
9236
NY State Approved Indicates the status of NY State approval and if the test is orderable for NY State clients.
Yes
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
-Lupus-like 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
INR
Prothrombin Time, Plasma
Protime
PT
Prothrombin Time, Plasma
Protime
PT
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