Vascular Endothelial Growth Factor (VEGF), ELISA

Test Code

14512X

CPT Codes
83520

Preferred Specimen

1 mL plasma collected in an EDTA (lavender-top) tube

Minimum Volume

0.3 mL

Instructions

Mix the sample and centrifuge immediately after collection to separate plasma from cells. Transfer plasma to a plastic specimen transport container and mark the specimen type as plasma on the container. Freeze immediately. Cytokine levels may demonstrate diurnal variation. Recommend cytokine levels be determined at the same time of day for improved longitudinal comparison.

Transport Temperature

Frozen

Specimen Stability

Room temperature: 4 hours
Refrigerated: 48 hours
Frozen: 1 year

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Gross hemolysis • Gross lipemia • Received room temperature • Received refrigerated • Gross icterus

Methodology
Enzyme Immunoassay (EIA)

FDA Status
This test was performed using a kit that has not been cleared or approved by the FDA. The analytical performance characteristics of this test have been determined by Quest Diagnostics. This test should not be used for diagnosis without confirmation by other medically established means.

Setup Schedule

Set up: Wed; Report available: 4 days

Clinical Significance

This assay is intended for research use only. It may have value in the evaluation of patients with various types of cancer who are being considered for anti-angiogenesis therapy.

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.