Penicillium Notatum/Chrysogenum IgG4

Message

For Specimen Integrity during Extreme Weather see the “Lockbox Usage in Extreme Weather” document at the top of this page.

Test Code

PENNOT

Alias/See Also

Viracor Code 75722

CPT Codes
86001

Preferred Specimen

0.5 mL Serum from a Red Top tube

Minimum Volume

150 uL

Other Acceptable Specimens

Serum from an SST

Instructions

Collect blood in a Red Top tube. Allow blood to clot. Centrifuge and transfer serum to a plastic vial.

Transport Container

Plastic vial

Transport Temperature

Room Temperature

Specimen Stability

Room Temperature: 7 Days
Refrigerated: 30 Days
Frozen: 30 Days

Methodology
Enzyme immunoassay (FEIA)

Report Available

2 - 3 business days

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.

Performing Laboratory
VIRACOR EUROFINS CLINICAL DIAGNOSTICS
1001 NW TECHNOLOGY DR
LEE’S SUMMIT, MO 64086-5603

Last Updated: November 19, 2021

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.