Culture conversion is a

diagnostic Diagnosis is the identification of the nature and cause of a certain phenomenon. Diagnosis is used in many different disciplines, with variations in the use of logic, analytics, and experience, to determine " cause and effect". In systems engine ...

criteria indicating the point at which samples taken from a person infected with a

tuberculosis Tuberculosis (TB) is an infectious disease usually caused by ''Mycobacterium tuberculosis'' (MTB) bacteria. Tuberculosis generally affects the lungs, but it can also affect other parts of the body. Most infections show no symptoms, in w ...

can no longer produce tuberculosis cell cultures. Culture conversion is a positive

prognostic Prognosis (Ancient Greek, Greek: πρόγνωσις "fore-knowing, foreseeing") is a medicine, medical term for predicting the likely or expected development of a disease, including whether the sign (medicine), signs and symptoms will improve or ...

marker indicating that a person is cured of, or is recovering from, tuberculosis.

References

Medical terminology Tuberculosis {{med-diagnostic-stub