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Cystatin-C is mainly used as a biomarker of kidney function. It has also been suggested that cystatin-C might predict the risk of developing chronic kidney disease, thereby signaling a state of 'preclinical' kidney dysfunction.
Recently, it has been studied for its role in predicting new-onset cardiovascular disease and also seems to play a role in brain disorders, such as Alzheimer's disease.
An 8 to 12 hour fast is required for this blood test. However, drink plenty of water and take your medications as prescribed.
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.