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Doctors like to check coagulation profiles which include PT and PTT. PT stands for Prothrombin time and PTT stands for Partial Thromboplastin Time. They are measurements of how quickly a blood clot forms. These tests may be ordered when people present with unexplained bleeding or bruising or with chronic conditions such as liver disease or lupus.
This test also contains an INR (International Normalized Ratio) for those people taking Coumadin. Doctors use an INR to assess the effect of the drug.
Fasting is not required. Take all medications as prescribed. Do not take supplements the day of the test.
The laboratory services are for informational purposes only. It is not the intention of National Diagnostics, Inc and Life Extension to provide specific medical advice but rather to provide users with information to better understand their health. Specific medical advice including diagnosis and treatment will not be provided. Always seek the advice of a trained health professional for medical advice, diagnosis or treatment.
Both the physician and the testing laboratory are independent contractors with whom National Diagnostics, Inc makes arrangements for your blood tests. Neither National Diagnostics, Inc or Life Extension will be liable for any acts or omissions of the physician, the testing laboratory, or their agents or employees.