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Laboratory Test Directory

Tumor Necrosis Factor, alpha

Components

Name Method Department Units
Tumor Necrosis Factor, alpha Quantitative Multiplex Bead Assay
Send Out pg/mL

Specimen Requirements

Serum Spun, Plasma Spun

Container Type Container Size Specimen Volume
Preferred

Red tube, (no anticoagulant), No Gel

3 mL 1 mL
Alternate

Red Tube (no anticoagulant) with Gel

3 mL 1 mL
Alternate

Green tube (Lithium heparin), with Gel

3 mL 1 mL
Alternate

Green tube (Lithium heparin), No Gel

3 mL 1 mL
Alternate

Gold tube, (SST) with Gel

3.5 mL 1 mL
Stability

Room temperature - 30 minute(s)
Frozen - 12 month(s)

Specimen Preparation

  • Centrifuge within 2 hours, separate supernatant and freeze

Reasons for Rejection

  • Wrong collection tube
  • Wrong temperature
  • Heat treated specimen
  • Contamination
  • Refrigerated specimen

Comments

This test is not to be ordered for the Graft vs Host disease testing. That would be the XMIS test to IBT titled "soluble TNF receptor 1 (sTNF R1) plasma or serum, for GvHD"

CPT Code

  • 83520