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Tumor Necrosis Factor-a Blood Test

A Tumor Necrosis Factor-a Blood Test is used to monitor levels of tumor necrosis factor-a.

Sample Report

Test Code: 140673

Also Known As:

Methodology: Enzyme-linked immunosorbent assay (ELISA)

Preparation: No special preparation required.

Test Results: 3-4 days. May take longer based on weather, holiday or lab delays.


Tumor Necrosis Factor is a protein made by white blood cells in response to an antigen (a substance that causes the immune system to make a specific immune response) or infection. It may boost a person’s immune response, but may also cause necrosis (cell death) of some types of tumor cells. It can be elevated in chronic infections, certain cancers, and Hepatitis C.

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