ColoVantage® (Methylated Septin 9)

Test Code

COLOV

Alias/See Also

16983

CPT Codes
81327<br>This test code is for non-New York patient testing. For New York patient testing, use test code 16984.

Preferred Specimen

10 mL plasma collected from an EDTA (lavender-top) tube - See instructions

Minimum Volume

5 mL

Instructions

This test requires 10 mL of plasma (minimum volume 5 mL). Specimens with less than 5 mL of plasma will be rejected. To obtain this volume of plasma, collect blood in two (2) 10 mL EDTA (lavender-top) tubes or five (5) standard EDTA (lavender-top) tubes. Centrifuge the blood samples, separate plasma and combine them. Send plasma in a single 10 mL pour-off tube. If a 10 mL pour-off tube is not available, two (2) 5 mL pour-off tubes can be used.

Transport Container

x2 (5 mL) or x1 (10 mL) pour-off tube(s)

Transport Temperature

Frozen

Specimen Stability

Room temperature: Unacceptable
Refrigerated: Unacceptable
Frozen: 28 days

Methodology
Real-Time Polymerase Chain Reaction

FDA Status
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.

Setup Schedule

Set up: Sun-Thurs; Report available: 4 days after receipt at the performing laboratory. Add two (2) days for transport.

Reference Range

Not detected

Clinical Significance

Methylated Septin 9 is a DNA marker associated with colorectal cancer.

Performing Laboratory
Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly, VA 20153

Last Updated: May 5, 2023

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.