TUBERCULIN TEST (TT) (SDL12571)
https://www.scanlabglobal.com/shop/sdl12571-tuberculin-test-tt-sdl12571-7769
https://www.scanlabglobal.com/web/image/product.template/7769/image_1920?unique=18393fc
Tests skin reaction to PPD for TB exposure. Positive induration suggests latent TB, guiding isoniazid or chest X-ray.
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