MMLSG - Specimen: Antimicrobial Susceptibility, Acid-Fast Bacilli, Slowly Growing

Test Catalog

Test Name

Test ID: MMLSG    
Antimicrobial Susceptibility, Acid-Fast Bacilli, Slowly Growing

Testing Algorithm Delineates situations when tests are added to the initial order. This includes reflex and additional tests.

When this test is ordered, the reflex test will be performed and charged.

Specimen Type Describes the specimen type validated for testing


Specimen Required Defines the optimal specimen. This field describes the type of specimen required to perform the test and the preferred volume to complete testing. The volume allows automated processing, fastest throughput and, when indicated, repeat or reflex testing.

Specimen Type: Organism

Container/Tube: Middlebrook 7H10 agar slant or other appropriate media

Specimen Volume: Isolate

Collection Instructions:

1. Organism must be in pure culture, actively growing.

2. Place specimen in a large infectious container (T146) and label as an etiologic agent/infectious substance.

Additional Information:

1. Specimen source and organism identification are required.

2. CTB / Mycobacterial Culture or CTBID / Culture, Referred for Identification, Mycobacterium must also be ordered and will be charged separately unless identification of organism is provided.

3. For Mycobacterium tuberculosis complex, see MTBV2 / Antimicrobial Susceptibility, Mycobacterium tuberculosis Complex, Broth Method.

4. See Infectious Specimen Shipping Guidelines in Special Instructions.


If not ordering electronically, complete, print, and send a Microbiology Test Request Form (T244) with the specimen (

Reject Due To Identifies specimen types and conditions that may cause the specimen to be rejected








Agar plate

Specimen Stability Information Provides a description of the temperatures required to transport a specimen to the laboratory. Alternate acceptable temperatures are also included.

Specimen TypeTemperatureTime
VariesAmbient (preferred)