Complement Component C9 [34896]

Message
For Specimen Integrity during Extreme Weather see the “Lockbox Usage in Extreme Weather” document at the top of this page.


Test Code
C9


Alias/See Also
34896


CPT Codes
86160

Preferred Specimen
1 mL serum


Minimum Volume
0.1 mL


Other Acceptable Specimens
Plasma collected in an EDTA (lavender-top), or EDTA potassium PPT (white-top) tube


Transport Container
Plastic screw-cap vial


Transport Temperature
Room temperature


Specimen Stability
Room temperature: 14 days
Refrigerated: 14 days
Frozen: 14 days


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


Methodology
Radial Immunodiffusion (RID)

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: Mon; Report available: 5-12 days


Reference Range
6.0-29.0 mg/dL


Clinical Significance
The complement system is critical to inflammatory responses. C5-C9 are components of the common pathway. Patients with congenital deficiency of any of these components are at increased risk of meningococcal meningitis.


Performing Laboratory
Quest Diagnostics Nichols Institute-San Juan Capistrano, CA
33608 Ortega Highway
San Juan Capistrano, CA 92675-2042



Last Updated: November 29, 2021


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.