An easy, convenient way to test for tuberculosis: 1 visit, 1 tube TB blood testing with T-SPOT®.TB

Accurate results Accessible testing Efficient process Test code

T-SPOT.TB delivers objective results for a broader patient population

The T-SPOT.TB^a blood test provided by Quest Diagnostics offers a higher standard in latent TB testing than subjective skin testing, delivering objective results for a broader population.

TB blood testing is ideal for:

General population including patients 2+ years old
Patients with compromised immune systems¹
Bacillus Calmette-Guérin (BCG)–vaccinated patients²

^a Quest Diagnostics has validated the use of this assay under CLIA for processing specimens more than 8 hours after collection, up to 54 hours.

Accuracy

	T-SPOT.TB provides highly accurate results Low false-positive rates compared to skin tests in BCG-vaccinated individuals² Indeterminate/invalid rates < 1%

Accessibility

	Testing that’s accessible to everyone Easy specimen collection at over 2,250 Patient Service Centers In-network with most major health plans

Efficiency

	T-SPOT.TB can reduce in-person office visits by 50% Since testing can be done in a single office visit, T-SPOT.TB helps prevent unnecessary follow-up testing and costs associated with false-positives that can occur with skin tests.

Order the T-SPOT^®.TB blood test today

Test name: T-SPOT.TB

Test code: 37737

CPT code: 86481

Download our free white paper: Cost-effective strategies for latent tuberculosis detection

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Approved by the FDA
Quest is proud to be the only laboratory with 2 blood tests approved by the FDA: Oxford’s T-SPOT^®.TB and Qiagen’s QuantiFERON^®-TB Gold Plus.

The T-SPOT^®.TB test is an in vitro diagnostic test for the detection of effector T cells that respond to stimulation by Mycobacterium tuberculosis antigens ESAT-6 and CFP-10 by capturing interferon gamma (IFN-γ) in the vicinity of T cells in human whole blood collected in sodium citrate or sodium or lithium heparin. It is intended for use as an aid in the diagnosis of M tuberculosis infection. The T-SPOT.TB test is an indirect test for M tuberculosis infection (including disease) and is intended for use in conjunction with risk assessment, radiography, and other medical and diagnostic evaluations.

Up-to-date relevant warnings, precautions, side effects, and contraindications can be found at: http://www.oxfordimmunotec.com/north-america/

The CPT^® codes provided are based on American Medical Association 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 payer being billed.

Test codes may vary by location. Please contact your local laboratory for more information.

References:

Komiya K, Ariga H, Nagai H, et al. Impact of peripheral lymphocyte count on the sensitivity of 2 IFN-gamma release assays, QFT-G and ELISPOT, in patients with pulmonary tuberculosis. Intern Med. 2010;49(17):1849-1855. doi:10.2169/internalmedicine.49.3659
CDC. Fact sheets: tuberculin skin testing. Updated November 2, 2020. Accessed March 9, 2022. https://www.cdc.gov/tb/publications/ factsheets/testing/skintesting.htm