Days Set Up
Analytic Time

2 - 9 days

MiChart Code
Tumor Necrosis Factor - Alpha
Soft Order Code

Test Updated:


alpha-Tumor Necrosis Factor
TNF-Alpha, Highly Sensitive

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Find a Requisition

All specimens should be accompanied by a requisition.

Submitting Specimens

Learn about how to properly label and where to ship specimens.

Order Kits and Supplies

MLabs provides all the supplies necessary for the collection of specimens.

Test FAQ

Visit our provider FAQ and learn about common questions to ordering tests.

Test Overview

Test Methodology


Test Usage

Evaluation of patients with suspected systemic infection, in particular infection caused by gram-negative bacteria detection and for evaluation of patients with suspected chronic inflammatory disorders, such as rheumatoid arthritis, inflammatory bowel disease, or ankylosing spondylitis.

Reference Range

< or =2.8 pg/mL

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Specimen Requirements

Collection Offsite

Collect specimen in a lavender top tube and immediately place on wet ice. Centrifuge, aliquot serum into a plastic vial and freeze within 30 minutes of collection.

Lavender Top Tube
Normal Volume
0.5 mL serum
Minimum Volume
0.3 mL serum

Billing Information

CPT Code
Pro Fee Code

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Our High Standard

Quality that sets us apart

As the reference laboratory division of Michigan Medicine's Department of Pathology, MLabs shares the institution's commitment to applying established quality principles to clinical laboratory testing. Like other large organizations in complex, consequential fields, we rely on an established approach to monitor quality throughout the testing process.