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Cockroach German (Blatella germanica) IgG4*
Test Code34910
CPT Codes
86001
Includes
This test was developed and its performance characteristics determined by Eurofins Viracor. It has not been cleared or approved by the U.S. Food and Drug Administration.
Preferred Specimen
0.5 mL serum
Minimum Volume
0.15 mL
Instructions
Collect 1-2 mL whole blood in red-top tube. Centrifuge and transfer 0.5 mL into a transfer tube.
Transport Container
Transport tube
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 7 days
Refrigerated: 28 days
Frozen: 28 days
Refrigerated: 28 days
Frozen: 28 days
Methodology
ImmunoCAP® FEIA IgG
Setup Schedule
Set up: Varies; Report available: 2-3 business days
Reference Range
See Laboratory Report
Clinical Significance
Physicians sometimes use allergen-specific IgG4 to monitor patients undergoing immunotherapy. Increasing IgG4 responses following the administration of immunotherapy generally correlate with a positive treatment outcome.
