Complement Component C5

Test Code
C5(354)

Quest Code
354

CPT Codes
86160

Preferred Specimen
1 mL serum

Minimum Volume
0.1 mL

Instructions
Please note: Plasma samples are not acceptable.

Transport Temperature
Room temperature

Specimen Stability
Room temperature: 7 days
Refrigerated: 7 days
Frozen: 7 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Grossly lipemic • Hemolysis • Microbially contaminated

Methodology
Radial Immunodiffusion (RID)

Setup Schedule
Tue, Thu, Sat

Report Available
2 to 4 Day(s)

Reference Range
6.0-20.0 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
33608 Ortega Hwy
San Juan Capistrano, CA 92675-2042



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.