What is a Certified Deaf Interpreter (CDI)?


A Certified Deaf Interpreter or CDI, is a Deaf person who is certified to interpret. They receive national certification, state certification, or both, and must also follow the industries Code of Professional Conduct (CPC) and abide by HIPAA medical standards. In a wide variety of settings, CDIs are an essential part of the communication process. They are native users of ASL and can communicate at a level that a second language user will never have the innate ability to do.

Examples where a CDI may be needed:

  • Medical settings
  • Mental health evaluations
  • Legal settings
  • Encounters involving complex language needs
  • Encounters involving a minor
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