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Venom Bumble Bee (Bombus terrestrus) IgG

Test Code: 91820

Cpt Code:

86001 (x1)

Clinical Utility

The clinical correlates for bumble bee venom IgG responses have not been established and there is no published protective threshold. However, by analogy to other venoms that have been studied, it is expected that increasing concentrations of bumble bee specific IgG will correlate with protection.

Procedure

Enzyme immunoassay (FEIA). A standard curve is used to calculate the specific IgG concentrations. The calibrators are referenced to the International Reference Preparation for serum immunoglobulins. This test has not been cleared or approved for diagnostic use by the U.S. Food and Drug Administration.

Assay Range

The units are micrograms/mL of specific IgG. The reference varies by allergen.

  mcg/mL of IgG
Lower Limit of Quantitation* 2.0
Upper Limit of Quantitation** 200

Reference ranges vary by allergen.

Causes For Rejection

Lipemic samples may lead to rejection

Turnaround Time

Setup: M-F. TAT 3 business days from receipt of specimen

Specimen Information

Serum - NY approved. 0.5 mL. Collect 1-2 mL whole blood in red top tube, centrifuge and transfer 0.5 mL serum into a transfer tube (Minimum Volume). Ship at ambient or frozen temperature Monday through Friday. Specimens are stable for 1 week ambient, 4 weeks refrigerated; freeze for storage greater than 4 weeks.

Disclaimer

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-IBT's 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-IBT assumes no responsibility for billing errors due to reliance on the CPT codes illustrated in this material.

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