When an interpreter is used in obtaining informed consent, what should be documented?

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When consent is obtained with an interpreter, documentation must show that the communication process actually occurred and that the patient understood what was explained. This means recording that an interpreter was used, identifying the language, noting the interpreter’s identity or qualifications, and including the date and time of the consent discussion. It should also capture the exact consent explanation given, evidence that the patient had an opportunity to ask questions, and how the patient’s understanding was verified (for example through teach-back or the patient confirming understanding).

This level of detail is essential because it demonstrates that language barriers did not impede informed consent, protects patient autonomy, and provides legal and ethical accountability for the consent process. A record that only notes the language or merely that an interpreter was used fails to document whether the patient truly understood and voluntarily agreed, or who facilitated the interpretation.