TB is diagnosed by finding Mycobacterium tuberculosis bacteria in a clinical specimen taken from the patient. A complete medical evaluation for TB must include a medical history, a physical examination, a chest X-ray and microbiological examination (of sputum or some other appropriate sample). It may also include a tuberculin skin test, other scans and X-rays, surgical biopsy.
 
Our product range for TB diagnostics and monitoring includes:
• Laboratory equipment, including sputum containers and skin
  tests
• X-ray equipment (films and developer powder)
• Microscopes and microscopic equipment

Here you find the latest information on evidence synthesis, policies, guidelines and research agendas on TB diagnosis developed (amongst others) by Stop TB Partnership's New Diagnostics Working Group:
http://www.tbevidence.org/