Interleukin-8, Plasma

Test ID: 

705167

CPT code:

83520

Synonyms:

CXCL8

IL-8

IL8

Clinical Use:

Interleukin-8 (IL-8), a member if the neutrophil-specific CXC subfamily of chemokines, is a potent neutrophil chemotactic and activating factor. It is a primary inflammatory cytokine produced by many cells (including monocytes/macrophages, T cells, neutrophils, fibroblasts, endothelial cells, keratinocytes, hepatocytes, astrocytes, and chondrocytes) in response to proinflammatory stimuli such as bacteria and viruses. IL-8 serves to attract neutrophils to the site of inflammation and to activate them.

Specimen Type:

Plasma

Requested Volume: 

0.5 mL

Minimum Volume: 

0.3 mL

Container Type: 

Lavender-top (EDTA) tube

Collection:

Separate plasma from cells. Transfer plasma transfer to a plastic transport tube.

Storage Instructions:

Separate plasma from cells. Transfer plasma transfer to a plastic transport tube.

Stability Requirements:

Stable at room temperature for three days. Stable frozen for 14 days. Freeze/thaw cycles x2.

Rejection Criteria

Gross hemolysis; sample left on cells

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