Tumor Necrosis Alpha

Test Code: TD_5298

CPT Code(s): 83520

$299

Test Details

Alternative Name(s)

TNFA

Test Includes

Tumor Necrosis Alpha

Methodology

Quantitative multiplex bead assay

Rejection Criteria

Room temperature samples
Refrigerated samples
Contaminated samples
Heat-inactivated samples

Reference Range(s)

<= 7.2 PG/ML

Specimen Requirements

Preferred Specimen

Serum separator tube

Minimum Volume

0.4 mL serum

Sample Stability

After separation from cells:
30 minutes room temperature
Unaccpetable refrigerated
1 year frozen

Transport Temperature

Critical Frozen

Collection Instructions

Allow SST to clot in an upright position for at least 30 minutes, then centrifuge sample within 2 hours of collection

Alternative Specimen

1 mL serum from a plain red top tube. Allow sample to clot in an upright position for at least 60 minutes, then centrifuge sample and transfer serum to a plastic transport tube within 2 hours of collection. Clearly label tube as serum from a plain red top tube. Freeze. Critical Frozen (CFZ).
When multiple tests are ordered, submit a separate tube for this test.