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B-Type Natriuretic Peptide

Item# LC140889


B-Type Natriuretic Peptide

Item# LC140889


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  • B-Type Natriuretic Peptide
  • Item Catalog Number: LC140889

B-type natriuretic peptide (BNP) is a small protein secreted by the ventricles of the heart in response to excessive stretching of the heart muscles cells (myocytes). BNP is secreted into the blood when your heart is working hard.

The level of BNP is elevated in people with heart failure and left ventricular dysfunction. B-type natriuretic peptide blood levels correlate with both the severity of symptoms and the prognosis in congestive heart failure.

This blood test is a useful marker of heart disease risk, even in people with no clinical evidence of cardiovascular disease. High blood levels of BNP predict the risk for heart failure, first cardiovascular events, atrial fibrillation, and stroke.


Fasting is not required for this test. Take all medications as prescribed.


BNP and NT-proBNP levels decrease in most people who are taking drug therapies for heart failure; such as angiotensin-converting enzyme (ACE) inhibitors, beta blockers, and diuretics. BNP and NT-proBNP also increase with increasing age and decreasing renal function. Additionally, NT-proBNP has been found to be more sensitive and specific than BNP.

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.


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