CLSI M31 T : 1997

Abstract
Committee Membership
Active Membership
Foreword
1 Introduction
      1.1 Performance Standards for Disk Diffusion Antimicrobial
            Susceptibility Tests for Bacteria that Grow Aerobically
      1.2 Performance Standards for Dilution Antimicrobial
            Susceptibility Tests for Bacterial that Grow Aerobically
2 Selection of Antimicrobial Agents for Routine Testing and Reporting
      2.1 Routine and Selective Reporting
      2.2 Nonproprietary Names
      2.3 Selection Guidelines
      2.4 Guidelines for Routine Reporting
      2.5 Guidelines for Selective Reporting
      2.6 Interpretive Categories
3 Disk Diffusion Susceptibility Testing
      3.1 Indications for Performing Disk Diffusion Susceptibility
      3.2 Interpretation
      3.3 Methodologies
4 Broth and Agar Dilution Susceptibility Testing
      4.1 Indications for Performing Broth and Agar Dilution
            Susceptibility Tests
      4.2 Methodologies
5 Quality Control Guidelines
      5.1 Purpose
      5.2 Quality Control Responsibilities
      5.3 Agar Disk Diffusion Tests
      5.4 Dilution Susceptibility Tests
      5.5 Suggested Reference Strains
      5.6 Common Sources of Error
6 B-Lactamase Tests
      6.1 Purpose
7 Limitations
8 Cumulative Antimicrobial Susceptibility Profile
Tables
Table 1. Suggested Groupings of Therapeutic Antimicrobial Agents for
             Systematic Use That Should Be Considered for Routine Testing
             By Veterinary Microbiology Laboratories
Table 2. Zone Diameter Interpretive Standards and Minimum Inhibitory
             Concentration (MIC) Breakpoints for Veterinary Pathogens
Table 3. Control Limits for Monitoring Antimicrobial Disk
             Susceptibility Tests With Veterinary Pathogens; Zone
             Diameter (mm) Limits for Individual Tests on Mueller-Hinton
             Medium Without Blood or Other Supplements
Table 3A. Acceptable Zone Diameter (mm) Quality Control Limits for
             Haemophilus somnus and Actinobacillus pleuropneumoniaa
Table 4. Control Limits for Monitoring MICs With Veterinary Pathogens
             -Acceptable Quality Control Ranges of MICs (ug/mL) for
             Reference Strains
Table 4A. Acceptable Quality Control Ranges of Minimum Inhibitory
             Concentrations (MICs) (ug/mL) for Haemophilus somnus and
             Actinobacillus pleuropneumoniae
Table 5. Suggested Modifications of Standard Methods for
             Susceptibility Testing of Some Fastidious and Special
             Problem Veterinary Pathogens
Table 6. Solvents and Diluents for Preparation for Stock Solutions
             of Antimicrobial Agents Requiring Solvents Other Than Water
Table 7. Scheme for Preparing Dilutions of Antimicrobial Agents to be
             Used in Agar Dilution Susceptibility Tests
References
Appendix: Antimicrobial Susceptibility Quality Control Record
Summary of Comments and Subcommittee Responses
Related NCCLS Publications