IGRA Workgroup Resources

QuantiFERON TB-Gold and other Interferon Gamma Release Assays (IGRAs)

Assembly Bill 1323, Chapter 24 (.pdf) (Approved by Governor July 2, 2007)

Click here for a listing of county public health labs performing QuantiFERON - G (.pdf)

Note: Some of these Public Health Labs may accept specimens from private providers or from outside their jurisdiction. Please contact the individual laboratories directly if interested in submitting specimens.

We are currently unable to post a complete list of private laboratories that are able to provide QuantiFERON testing. Please contact Cellestis directly for assistance concerning private labs at 1-800-519-4627.

Educational Resources

Archived Webinar: QuantiFERON-TB Gold: Putting New Technologies into Practice (Cellestis)

Conference Materials: CTCA Spring 2006 Conference: A New Era in TB; Can We Replace the TST?(CTCA)

Info Sheet: QuantiFERON-TB Gold Test (CDC-DTBE) (.pdf)

Cellestis-sponsored symposium: Rethinking the Epidemiology of Tuberculosis Infection, Feb 21-22, Vancouver, BC, Canada

coming soon:

Frequently Asked Questions

California Policy Updates and Resources

Legislative Activity:California Legislature -- Assembly Bill 1323 -- Introduced by Assembly Member DeSaulnier, February 23, 2007 - Passed July, 2007 (.pdf)

Amended Sections 49406 and 87408.6 of the Education Code, and to amend Sections 1226.1, 121362, 121490, 121525, and 121530 of the Health and Safety Code, relating to tuberculin testing.

All Facilities Letter: Procedure for Requesting Program Flexibility for the Use of QuantiFERON-TB Gold Blood Tests to Identify LTBI in CA Healthcare Workers(.pdf)

Reimbursement Information:CPT Codes and Reimbursement for QuantiFERON-TB Gold, updated February 2007 (.pdf)

CTCA Position Statement on QuantiFERON-TB Gold

National Guidelines on QFT-TB Gold

Guidelines for Using the QuantiFERON-TB Gold Test for Detecting Mycobacterium tuberculosis Infection, United States -- MMWR 2005; 54 (No. RR-15, 1-37)

National Policy Updates

NTCA Position Statement on In Vitro Diagnostic Tests in Diagnosis of LTBI