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U.S. Department of Health and Human Services

Recognized Consensus Standards

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Part B: Supplementary Information Sheet (SIS)
FR Recognition List Number 040 Date of Recognition 08/14/2015 
FR Recognition Number 7-258
CLSI M02-A12 (Replaces M02-A11)
Performance Standards for Antimicrobial Disk Susceptibility Tests; Approved Standards - Twelfth Edition.
Extent of Recognition
Complete standard
Transition Period
FDA recognition of CLSI M02-A12 [Rec# 7-258] will be superseded by recognition of CLSI M02 13th Edition [Rec# 7-280]. FDA will accept declarations of conformity, in support of premarket submissions, to [Rec# 7-258] until September 28, 2019. After this transition period, declarations of conformity to [Rec# 7-258] will not be accepted.
Public Law, CFR Citation(s) and Procode(s)
Regulation Number Device Name Device Class Product Code
§866.1620 Discs, Elution Class 2 LTX
§866.1620 Susceptibility Test Discs, Antimicrobial Class 2 JTN
Relevant FDA Guidance and/or Supportive Publications
Guidance for Industry and FDA Class II Special Controls Guidance Document: Antimicrobial Susceptibility Test (AST) Systems, Issued August 2009.
FDA Technical Contact
 Patricia Conville
Standards Development Organization
CLSI Clinical Laboratory Standards Institute https://clsi.org/
FDA Specialty Task Group (STG)
InVitro Diagnostics