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C1q Complement

Test Code: 1115
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Clinical Utility

This assay is intended for the quantitative measurement of C1q in human serum as an aid in the diagnosis and treatment of angioedema.


Radial immunodiffusion using calibrators referenced to CRM470. The performance characteristics of this test were determined by Viracor Eurofins. This test has been cleared or approved for diagnostic use by the U.S. Food and Drug Administration.

7 business days from receipt of specimen

Specimen Type Order Code CPT Code NY Approved Volume Assay Range Special Instructions
serum 1115 86160 Yes 1 mL (min. 100 uL)
  • Collect 1 mL, fresh serum.
  • Ship frozen overnight on dry ice.

2.3-23 mg/dL

Specimens are approved for testing in New York only when indicated in the Specimen Information field above.

The CPT codes provided are based on Viracor Eurofins' interpretation of the American Medical Association's Current Procedural Terminology (CPT) codes and are provided for general informational purposes only. CPT coding is the sole responsibility of the billing party. Questions regarding coding should be addressed to your local Medicare carrier. Viracor Eurofins assumes no responsibility for billing errors due to reliance on the CPT codes illustrated in this material.


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