Circulating Tumor Cells, Breast

Item# LC501507

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  • Circulating Tumor Cells, Breast
  • Item Catalog Number: LC501507

This test is for metastatic breast cancer prognosis and monitoring.

The Circulating Tumor Cell assay provides a measurement of cancer cells that have separated from a solid tumor site and are circulating in the bloodstream. Detecting the presence of circulating tumor cells in the blood shows clinical usefulness in the assessment of disease status and prognosis in patients with metastatic breast cancer.

Fasting is not required for this test. Patients on doxorubicin therapy should wait seven days following administration of the last dose before collection.

This blood test cannot be ordered as part of a blood draw kit. Blood draws must be performed at a LabCorp Patient Service Center (or at Life Extension’s blood lab for those residing near Fort Lauderdale, Florida), Monday through Thursday only.

Results for this test take 4-6 weeks.


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.