Quantiferon(R) - TB Gold Plus

Message

Immediate Specimen Processing: A completely full 6 mL tube is required. Gently mix by inverting tubeAmbulatory Transport Temperature to Inova Central Lab: Refrigerated Specimen Stability: 48 hours

Test Code

LAB13888 QN1TB

Alias/See Also

QN1TB

CPT Codes
86480

Includes

Note: The Centers for Disease Control and Prevention (CDC) has provided guidance on clinical considerations for tuberculosis (TB) testing such as QuantiFERON®-TB Gold Plus in conjunction with COVID-19 mRNA vaccines. Please refer to the QuantiFERON®-TB Gold Plus FAQ link (https://education.questdiagnostics.com/faq/FAQ204) for more detailed information on the latest CDC guidelines regarding TB testing and COVID-19 vaccines.@BKRCERMSGREFRESH(2302793)@ @BKRCERMSGREFRESH(2302794)@

Instructions

Preferred Testing Volume: 6.0 mL Whole bloodMinimum Testing Volume: 6.0 mL Whole blood Transport Temperature: Refrigerated Stability: Ambient: N/A Refrigerated : 48 hoursFrozen: N/A Causes for Rejection: QuantiFERON®-TB Gold Plus 4 tube collection kit Incubated specimens Gel barrier lithium heparin (green-top) tubesPerforming Lab: Quest ChantillyICL or Main Lab Specimen Team Only: Use SPECIAL HANDLING (pink sticker). Do not mix with other tests, send with other Quantiferon specimens only.

Report Available

5-Days

Clinical Significance

1230170687

Last Updated: May 18, 2026

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.