Complement Component C1q
Test code
CPT code(s)*
Test resources
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Details
Methodology
Radial Immunodiffusion (RID)
Assay category
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.
Alternative name(s)
C1q Complement Component
Specimen requirements | |
|---|---|
| Patient preparation | None Specified |
| Preferred specimen(s) | 1 mL serum |
| Alternative specimen(s) | Plasma collected in: EDTA (lavender-top) tube or PPT (white-top) tube |
| Minimum volume | 0.1 mL |
| Collection 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. |
| Transport container | Transport tube |
| Transport temperature | Refrigerated (cold packs) |
| Specimen stability | Room temperature: 4 days Refrigerated: 10 days Frozen: 29 days |
| Reject criteria | Gross hemolysis • Grossly lipemic • Received room temperature |
Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.
*The CPT codes provided are based on AMA guidance and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.
This material contains content from LOINC® (http://loinc.org). The LOINC Table, LOINC Table Core are copyright © 1995-2019, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee and is available at no cost under the license at http://loinc.org/license.
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