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Test Code TNFA Tumor Necrosis Factor

Important Note

Primarily used for research and to support attempts to understand the pathogenesis of immune, infectious, allergic, or inflammatory disorders

Additional Codes

0051539

Specimen Type

Blood

Preferred Collection Container

SST

Collection Instructions

Separate serum from cells ASAP or within 2 hours of collection. Transfer 1 mL serum.

Collection Volume

2.0 mL
 

Minimum Collection Volume

1.0 mL

Testing Volume

0.4mL

Rejection Criteria

Refrigerated specimens. Contaminated or heat-inactivated specimens.

Specimen Storage and Stability

After separation from cells: Ambient: 30 minutes; Refrigerated: Unacceptable; Frozen: 1 year

Day(s) and Time(s) Performed

Sunday - Saturday

Test Alias

51539; Cachectin; cytokine; cytokines; TNF Alpha; TNF-alpha; TNFa

CPT Coding

83520
 

EPIC Code

LAB9034
 

Methodology

Quantitative Multiplex Bead Assay

Acceptable Collection Container

Serum separator tube, or plain red.

Transport

CRITICAL FROZEN.

Turn Around Time

2-5 days

Lab Department

Referred Testing

LOINC

3074-2