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ColoVantage® (Methylated Septin 9)
Test Code16983
CPT Codes
81327
Preferred Specimen
10 mL frozen plasma collected in an EDTA (lavender-top) tube(s)
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
Transport tube(s)
Transport Temperature
Frozen
Specimen Stability
Room temperature: Unacceptable
Refrigerated: Unacceptable
Frozen: 28 days
Refrigerated: Unacceptable
Frozen: 28 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Received room temperature • Received refrigerated • Less than 5 mL of specimen
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.
This test code is for non-New York patient testing. For New York patient testing, use test code 16984.
Setup Schedule
Sun-thurs
Report Available
5-6 days
Reference Range
Not detected
Clinical Significance
Methylated Septin 9 is a DNA marker associated with colorectal cancer.
Performing Laboratory
| Quest Diagnostics Nichols Institute-Chantilly VA |
| 14225 Newbrook Drive |
| Chantilly, VA 20151-2228 |