Complement Component C7

Last Modified: 10/28/2019 2:43:30 PM

Specimen Requirements:

1.0 mL Serum from a Red Top Tube in a Plastic Vial

Collection Instructions: Freeze serum within 1 hour of time drawn
Transport & Storage: Temperature/Stability: 21 days Ambient  (Transport)
21 days Refrigerated
21 days Frozen
Rejection Criteria: Received room temperature; Grossly Hemolyzed; Lipemic
Reference Range: 4-11 mg/dL
Low levels of C7 indicate either increased catabolism or decreased synthesis
Methodology: Radial Immunodiffusion (RID)
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. Unlike the other components, C7 is synthesized in the liver, hematopoietic cells, fibroblasts, and microglial cells and astrocytes of the central nervous system.

Custom Panel: No


Turn Around Time: 5 to 7 days
Days Performed: Monday, Wednesday
Sites Performed: Quest - Chantilly to San Juan Capistrano
PHL Test Code: MSOT
EPIC Test Code:
Send Out Test Code: 34888
CPT Coding: 86160

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