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Test ID: TB1LN    
Antimicrobial Susceptibility, Mycobacterium tuberculosis Complex, First Line

Useful For Suggests clinical disorders or settings where the test may be helpful

Rapid, qualitative susceptibility testing of Mycobacterium tuberculosis complex isolates growing in pure culture


Affirming the initial choice of chemotherapy for Mycobacterium tuberculosis infections


Confirming the emergence of drug resistance


Guiding the choice of alternate agents for therapy for Mycobacterium tuberculosis infections

Reflex Tests Lists test(s) that may or may not be performed, at an additional charge, depending on the result and interpretation of the initial test(s)

Test IDReporting NameAvailable SeparatelyAlways Performed
STV2Susceptibility, Mtb Cx, 2nd LineNo, (Bill Only)No

Additional Tests Lists test(s) that are always performed, at an additional charge, with the initial test(s)

Test IDReporting NameAvailable SeparatelyAlways Performed
STV1Susceptibility, Mtb Complex, BrothNo, (Bill Only)Yes

Testing Algorithm Delineates situation(s) when tests are added to the initial order. This includes reflex and additional tests.

When this test is ordered, the additional test will always be performed and charged separately. If resistance to a first line antimicrobial agent is detected reflex testing for confirmation of resistance and second line agents will be performed and charged.

Special Instructions and Forms Describes specimen collection and preparation information, test algorithms, and other information pertinent to test. Also includes pertinent information and consent forms to be used when requesting a particular test

Method Name A short description of the method used to perform the test

Broth Dilution at Critical Drug Concentrations

NY State Approved Indicates the status of NY State approval and if the test is orderable for NY State clients.


Reporting Name A shorter/abbreviated version of the Published Name for a test; an abbreviated test name

Susceptibility, Mtb Complex, 1 Line

Aliases Lists additional common names for a test, as an aid in searching

Acid-Fast Bacilli (AFB)
AFB (Acid-Fast Bacilli)
Antibiotic Susceptibility
Antimicrobial Susceptibility, Mycobacterium tuberculosis
Bacillus, Acid-Fast
MTB (Mycobacterium tuberculosis)
Mycobacteria Antimicrobial Susceptibility (MIC) (Minimum Inhibitory Concentration)
Mycobacterium tuberculosis (MTB)
Susceptibility Testing
Susceptibility, Mycobacterium tuberculosis
TB (Tuberculosis)
Tubercle Bacilli: Mycobacterium tuberculosis
Tuberculosis (TB)