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Test Directory

Test Directory Tumor Necrosis Factor-Alpha, Highly Sensitive

Tumor Necrosis Factor-Alpha, Highly Sensitive

Test Summary

Test is for research use only, and is for use in patients previously diagnosed with T-cell lymphoma.

Aliases

Specimen Collection

Special Instructions

N/A

Preferred Specimen

1 mL serum collected in a red-top tube (no gel)

Minimum Volume

0.5 mL

Instructions

Collect blood in a red-top tube (no gel). Allow blood to clot (10-15 minutes) at room temperature. Centrifuge and separate the serum from the cells. Transfer the serum to a clean 12x75 mm tube. Freeze as soon as possible.

Note: Cytokine levels may demonstrate diurnal variation. Recommend cytokine levels be determined at the same time of day for improved longitudinal comparison.

Patient Preparation

N/A

Storage

Plastic screw-cap vial

Transport Temperature

Frozen

Specimen Stability

Room temperature: Unacceptable
Refrigerated: Unacceptable
Frozen: 9 months

Limitations

N/A

Other Acceptable Specimens

N/A

Unacceptable Specimens

Gross hemolysis • Grossly lipemic • Serum separator tube (SST) • Grossly icteric

Order Code

TNFALP

EPIC (Premier) Code

LAB3801

Includes

N/A

CPT Code

83520

Billing Code

700000

CPT Statement

Methodology

Immunoassay (IA)

FDA Status

This test was performed using a kit that has not been cleared or approved by the FDA. The analytical performance characteristics of this test have been determined by Quest Diagnostics. This test should not be used for diagnosis without confirmation by other medically established means.

Physician Attestation of Informed Consent

N/A

Testing Laboratory

Quest Diagnostics Nichols Institute
33608 Ortega Highway
San Juan Capistrano CA, 92675

Reference Range

0.56-1.40 pg/mL

Setup Schedule / Expected Turnaround Time

Monday evening; Report available: 2 - 5 days