Complement Component C1q
Order Code:
C1Q
Test Summary
The complement system is critical to the inflammatory response. C1q concentrations may be decreased in patients with acquired angioedema, immune complex induced vasculitis, and concurrent low concentrations of C1 inhibitor, carcinoma, or lymphoma.
Aliases
- C1Q Complement Component
- Component C1Q
Specimen Collection
Special Instructions
N/A
Preferred Specimen
1 mL serum
Minimum Volume
0.1 mL
Instructions
Separate serum within one hour of draw time and refrigerate.
Can be drawn in a gel barrier tube but needs to be separated within one hour from time drawn.
Can be drawn in a gel barrier tube but needs to be separated within one hour from time drawn.
Patient Preparation
N/A
Storage
N/A
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
- Room temperature: 4 days
- Refrigerated: 10 days
- Frozen: 29 days
Limitations
N/A
Other Acceptable Specimens
Plasma collected in: EDTA (lavender-top) tube or PPT (white-top) tube
Unacceptable Specimens
Gross hemolysis • Gross lipemia
Order Code
C1Q
EPIC (Premier) Code
LAB075
Includes
N/A
CPT Code
- 86160
Billing Code
- 670608
CPT Statement
Methodology
Radial Immunodiffusion (RID)
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 the U.S. Food and Drug Administration. The FDA has determined that such clearance or approval is not necessary. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
Physician Attestation of Informed Consent
N/A
Testing Laboratory
Quest Diagnostics Nichols Institute
33608 Ortega Highway
San Juan Capistrano CA, 92675
33608 Ortega Highway
San Juan Capistrano CA, 92675
Department
Reference Testing
Reference Range
5.0-8.6 mg/dL
Setup Schedule / Expected Turnaround Time
Daily; Report available: 3 - 7 days
Specimen Collection
Special Instructions
N/A
Preferred Specimen
1 mL serum
Minimum Volume
0.1 mL
Instructions
Separate serum within one hour of draw time and refrigerate.
Can be drawn in a gel barrier tube but needs to be separated within one hour from time drawn.
Can be drawn in a gel barrier tube but needs to be separated within one hour from time drawn.
Patient Preparation
N/A
Storage
N/A
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
- Room temperature: 4 days
- Refrigerated: 10 days
- Frozen: 29 days
Limitations
N/A
Other Acceptable Specimens
Plasma collected in: EDTA (lavender-top) tube or PPT (white-top) tube
Unacceptable Specimens
Gross hemolysis • Gross lipemia
Result Information
Methodology
Radial Immunodiffusion (RID)
Testing Laboratory
N/A
Reference Range
5.0-8.6 mg/dL
Setup Schedule / Expected Turnaround Time
Daily; Report available: 3 - 7 days