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Thermoactinomyces vulgaris Gel Diffusion

Test Code: 77125
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Clinical and Procedure
Clinical Utility

The measurement of serum precipitins by gel diffusion is a commonly used technique to assess exposure and sensitization to various antigens. They are usually of the IgG or IgM class.

Procedure

In ouchterlony gel immunodiffusion the sample and the antigen are placed in opposing wells cut in a uniform layer of agarose. This test has not been cleared or approved for diagnostic use by the U.S. Food and Drug Administration.

Turnaround Time

5-7 business days from receipt of specimen

Specimen Information
Specimen Type Test Code CPT Code NY Approved Volume Assay Range Special Instructions
serum 77125 86331 Yes 0.5 mL (min. 50 uL) Detected/Not Detected
  • 0.5 mL serum, ambient, frozen or refrigerated.
  • Stability 4 weeks ambient, refrigerated or frozen.

Qualitative

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 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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