Interleukin-8, Serum
Test ID:
705168
CPT code:
83520
Synonyms:
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:
Serum
Requested Volume:
0.5 mL
Minimum Volume:
0.3 mL
Container Type:
Red-top tube or gel-barrier tube
Collection:
Separate serum from cells. Transfer serum to a plastic transport tube.
Storage Instructions:
Refrigerate
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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