AFB TB Interferon Antigen Response (TBINTF)  

 
NPHL has moved to an electronic ordering system, NUlirt, and it is now the preferred method to order all tests. Once ordered, print a "batch list" (see NUlirt Guide).

Forms Required - NUlirt batch list of NPHL Test Request Form (completed in its entirety) must accompany the specimen to include the following information: symptoms and date of onset, pregnancy status, travel and vaccine history. Testing will not be performed without all required information.

Please call NPHL Client Services at 402-559-2440 or toll free at 800-334-0459 for further clarification.

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Test: AFB TB Interferon Antigen Response  
Synonym: TB Quant, IGRA, Interferon Gamma Release Assay, QuantiFeron-TB Gold  
Method:
  • See Nebraska Medicine Test Directory for methodology, specimen types, collection and stability, labeling, volume, interferences and limitations, and turnaround times
  • Nebraska Medicine Test 276834
 
Storage/Transport:
  • For shipping of MTB isolates, see Category A instructions
  • For shipping of patient specimen, see Category B instructions
  • Specimen Packaging & Shipping - NPHL
  • Seal tubes with Parafilm™ or tape and place in biohazard bag with absorbent material
  • NUlirt packing list or appropriate paperwork (completed in its entirety) must accompany specimens

 

 
Reportable Disease: See Nebraska Reportable Diseases Title 173 Regulations   
Comments: Test performed at Nebraska Medicine  
Revised: 10/22/2025 
If you have questions about proper specimen collection, please call NPHL Client Services at 402-559-2440 or toll free at 800-334-0459.

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