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U.S. Department of Health and Human Services

Recognized Consensus Standards: Medical Devices

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Part B: Supplementary Information Sheet (SIS)
FR Recognition List Number 062 Date of Entry 05/29/2024 
FR Recognition Number 4-327
Standard
ISO  21531 First edition 2009-02
Dentistry - Graphical symbols for dental instruments
Scope/Abstract
ISO 21531:2009 presents a series of graphical symbols for dental instruments. They are set out particularly for this area of dentistry or corresponding specific areas within dentistry. General symbols are taken from relevant ISO, IEC or other international documents. Several new symbols presented by manufacturers or users have been added.
Extent of Recognition
Complete standard
Rationale for Recognition
This standard is relevant to medical devices and is recognized on its scientific and technical merit and/or because it supports existing regulatory policies.

Standard is recognized on a regulatory basis:
- Labeling
- Symbol
Public Law, CFR Citation(s) and Procode(s)*
Regulation Number Device Name Device Class Product Code
21 CFR Part 660 Additional Standards For Diagnostic Substances for Laboratory Tests
21 CFR Part 801 Labeling
21 CFR Part 809 In Vitro Diagnostic Products for Human Use
21 CFR Part 872 Dental Devices
Relevant FDA Guidance and/or Supportive Publications*
Final Rule, Use of Symbols in Labeling, issued June 2016.

Appropriate Use of Voluntary Consensus Standards in Premarket Submissions for Medical Devices - Guidance for Industry and Food and Drug Administration Staff, issued September 2018.
FDA Technical Contacts
 Lauren Giles
  FDA/OC/CDRH/OPEQ/OHTI/DHTIB/
  301-796-9552
  Lauren.Giles@fda.hhs.gov
 Joel Anderson
  FDA/OC/CDRH/OPEQ/OHTI/DHTIB/
  301-796-6520
  Joel.Anderson@fda.hhs.gov
Standards Development Organization
ISO International Organization for Standardization https://www.iso.org/
FDA Specialty Task Group (STG)
Dental/ENT
*These are provided as examples and others may be applicable.
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