Test Code QUANTIFERON TB GOLD PLUS QUANTIFERON TB GOLD PLUS
Department
Immunology
Specimen Type
Lithium heparin plasma from whole blood collected, handled, and processed with QIAGEN QuantiFERON®-TB Gold Plus Blood Collection Tubes ONLY
Method
Chemiluminescent Immunoassay
Container
Call Lab for Collection kit (QIAGEN QuantiFERON®-TB Gold PLUS Collection Tubes)
Special Requirements
For specific collection guidelines refer to Resources Section as accurate filling of the tubes and mixing are vital.
Collect 1 mL of blood by venipuncture in each of the four tubes. Mix 10 times. Ensure specimen labels are associated with their respective tube color. Transport tubes to lab immediately. Once tubes are in lab place tubes in 37° C incubator with 16 hours of collection. DO NOT refrigerate or freeze tubes before incubation. If the blood is not incubated immediately after collection, remix the tubes 10 times before incubation. Incubate tubes for 16-24 hours. After incubation, spin tubes for 15 minutes at 2000-3000 RPM. Send samples to ORMC Lab. Once spun plasma samples may be stored refrigerated for 7 days.
Standard Volume
1ml
Minimum Volume
1ml
Pediatric Volume
N/A
Ship Temperature
See special requirements
Stability Refrigerated
See Special Requirements
Stability Room Temp
16 hours
Stability Frozen
N/A
CPT Code
86480
Days Test Set Up
Monday, Wednesday, Thursday & Friday
Group Components
Qualitative QFT-Plus, TB1 Minus Nil, TB2 Minus Nil, Mitogen Minus Nil, Interpretation