Quantiferon-TB Gold Plus

Synonyms

  • QUANTIFERON TB GOLD
  • TST
  • INTERFERON GAMMA RELEASE ASSAY
  • MTB
  • IGRA
  • TUBERCULOSIS
  • QFT
  • PPD
  • LAB10025

Short Name

QUANTIFERON TB GOLD

Clinical Info

This test is to aid in the diagnosis of patients with latent Mycobacterium tuberculosis infection. This test is effective in individuals who 
have received BCG vaccination.

Specimen Type

Blood

Container

Nil Grey

Collection Instructions

Container/Tube: QuantiFERON® QTB Gold in-tube Collection Kit ( containers four tubes)
Specimen Volume: 1 mL whole blood-Fill up to fill line on each tube- remember the vacuum is not strong so be careful to look
at the volume. Make sure it is filled up to the black line.
Transport Temperature: Room Temperature

Note: Maintain QTF PLUS tubes- four tubes per patient, 1 Nil (gray), 1 TB1 (Green),1 TB2 (Yellow) and 1 Mitogen (purple) tubes at
room temperature (ambient).
Tubes must be filled to the fill line ( 1mL ( 0.8 - 1.2 ml).
Please gently mix the tubes to mix the antigens with the blood.
Please indicate collection time on container.

Transport Instructions

Room Temperature

Specimen Stability

16 Hours Room Temperature

Methodology

Enzyme-Linked Immunosorbent Assay (ELISA)

Days Performed

Monday through Sunday
TAT:3-5 Days

Performing Laboratory

Northwell Health Laboratories

CPT

86480

PDM

1853780, 2153003

Results
Component Name Base Name Common Name External Name
QTFPNIL QTFPNIL QTFPNIL
QUANTIFERON PLUS QTFPLUS QUANTIFERON PLUS Quantiferon Plus
QUANTIFERON TB PLUS MITOGEN MINUS NIL QFTMITOGEN QUANTIFERON TB PLUS MITOGEN MINUS NIL
QUANTIFERON TB PLUS TB1 MINUS NIL QFTTB1 QUANTIFERON TB PLUS TB1 MINUS NIL
QUANTIFERON TB PLUS TB2 MINUS NIL QFTTB2 QUANTIFERON TB PLUS TB2 MINUS NIL