Historical

M24-A

Susceptibility Testing of Mycobacteria, Nocardiae, and Other Aerobic Actinomycetes; Approved Standard

This document addresses the susceptibility testing of Mycobacterium tuberculosis complex (MTBC), clinically significant slowly and rapidly growing mycobacterial species, Nocardia spp., and other aerobic actinomycetes. Included in this standard are recommendations for the selection of agents for primary and secondary testing, organism group-specific methodologies, reporting recommendations, and quality control criteria for the above-listed organisms. Recommendations regarding the selection of agents for testing mycobacteria are based primarily on guidelines from U.S. agencies. For testing MTBC, M24-A recognizes the method of agar proportion as the primary methodology upon which all other methodologies are essentially based; there are also recommendations for use of commercial broth susceptibility methods with shorter incubation times, which are now in widespread use in the susceptibility testing of this significant group of microorganisms.

CONTENT PROVIDER
Clinical And Laboratory Standards Institute [clsi]

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