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Tumor Necrosis Factor-α-994

Test info

Test name:

Tumor Necrosis Factor-α

Test number:

994

Excellian order number:

LAB994

Abbreviation:

MSO

Alternate names:

Cachectin
Tumor Necrosis Factor-alpha
TNF-α
TNF alpha

Useful for:

This test is used for measurement of Tumor Necrosis Factor-α levels in serum.

Specimen

Specimen type:

Serum

Collection container:

Gold serum separator (SST) tube

Red serum vial/tube, 5 mL

Volume:

1.0 mL

Minimum volume:

0.4 mL
(Note: This volume does not allow for repeat testing.)

Collection instructions:

Immediately following collection, mix sample by gently inverting 5 times

Processing instructions:

Allow sample to clot
Spin within thirty (30) minutes of sample collection
Transfer serum to a Transfer vial/tube with cap - 12mL (LabCorp), labelled as serum
Freeze immediately

Transport container:

Screw-cap polypropylene frozen transport vial/tube - 4mL (LabCorp)

Transport and stability:

Frozen (strict)- 9 days

Freeze/thaw cycles - stable x2

Reason for rejection:

Nonfrozen specimen
Gross lipemia
Gross hemolysis

Performance

Performing lab:

LabCorp (140673); R-NX

TAT:

3 - 7 days

Method:

Enzyme-linked immunosorbent assay (ELISA)

Clinical and Interpretive info

Reference ranges:

0.0 - 2.2 pg/mL

Billing

CPT codes:

83520

Tracking

Date created:

06/14/2024

Review date:

06/14/2024