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QuantiFERON®-TB Gold Plus, 1 Tube

Message
10ml or 6ml lithium heparin(green top) tubes are acceptabile. If using the 6ml the tube MUST be full, the minimum is 5ml.


Test Code
QGTB4PLUS


CPT Codes
86480

Preferred Specimen
10 ml lithium heparin (green top) tube


Minimum Volume
5 mL Lithium Heparin


Other Acceptable Specimens
Quantiferon TB Gold Plus Tubes
Nil (grey top), TB1(green top), TB2 (yellow), Mitogen (purple top)


Instructions
Mix lithium heparin tubes after collection to prevent clotting, and allow to equilibrate at room temperature for a minimum of 15 minutes to a maximum of three hours after collection.  Refrigerate at 2-8o C


Transport Temperature
Refrigerate (cold pack)


Specimen Stability
Room Temperature: unacceptable
Refrigerated: 48 hours
Frozen: unacceptable


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Whole blood received after 16 hours
Frozen whole blood
Specimen storage and stability requirements not met
Specimen that have been incubated
Sodium Heparin tube
Mislabeled collection tube
Expired collection tube
Improper collection tube
Sample tubes not filled to required minimum
Specimen Leaked in transit


Methodology
Quantiferon-TB Gold Plus interferon-gamma detection by ELISA

Setup Schedule
Monday - Friday


Reference Range
Negative


Performing Laboratory
Meritus Medical Laboratory 11110 Medical Campus Rd Hagerstown, MD 21742


Last Updated: July 2, 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.