4.2
Laboratory diagnosis of TB
National TB Management Guidelines, 2018 Edition. Chapter 4, Approach to TB diagnosis.
Clinical description
- Whenever possible, bacteriologic confirmation of TB by one of the laboratory
methods described below should be used to make a definitive diagnosis of TB disease.
Bacteriology refers to using smear, culture or newer WHO approved rapid diagnostics to definitively identify TB.
- The laboratory diagnosis of TB begins with the collection of a quality specimen. In
many cases this is a sputum specimen.
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