What is the most current source of information on zone size limits for disk diffusion tests?
A. CLSI has updated all the interpretive and QC charts for disk diffusion in the 2009 publication M2-A10 (and related publication M100-S19/M2 Supplemental Tables, 2009) Performance Standards for Antimicrobial Susceptibility Testing. Check to see if there is a more recent publication of this document at www.clsi.org/Source/Custom/Currentdocs.cfm?Section=Current_Versions_of_CLSI_Documents. The source for all CLSI publications is: Clinical and Laboratory Standards Institute (CLSI – formerly NCCLS) 940 West Valley Road, Suite 1400 Wayne, PA 19087-1898 (610) 688-0100 Website: www.clsi.
A. CLSI updates the interpretive and QC charts for disk diffusion in their most current publications of the M2-A, Performance Standards for Antimicrobial Disk Susceptibility Tests, M100-S, Performance Standards for Antimicrobial Susceptibility Testing, (also see current publications of their Supplemental Tables) and M31-A, Performance Standards for Antimicrobial Disk and Dilution Susceptibility Tests for Bacteria Isolated From Animals; Approved Standard. To obtain the most recent publication, check the following: www.clsi.org/Source/Custom/Currentdocs.cfm?Section=Current_Versions_of_CLSI_Documents.