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SESK: Stuff Everyone Should Know · sesk.info/hipaa-deid-biometrics

Which of these is one of HIPAA's 18 Safe Harbor identifiers?

Voice prints, a biometric identifier.

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  1. Blood type
  2. Diagnosis code
  3. Voice prints ✔

Why: Biometric identifiers, including finger and voice prints, must be removed. Blood type and diagnosis codes are health facts, not identifiers, so they can stay once the identifiers are gone.

Huh, didn't know that: Full face photos and any comparable images are on the list too.

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References

Answer: Voice prints. Biometric identifiers, including finger and voice prints, must be removed. Blood type and diagnosis codes are health facts, not identifiers, so they can stay once the identifiers are gone.

  1. 45 CFR 164.514 (eCFR) www.ecfr.gov/current/title-45/subtitle-A/subchapter-C/part-164/subpart-E/section-164.514
    Biometric identifiers, including finger and voice prints
    Checked 2026-10-10.
  2. 45 CFR 164.514 (eCFR) www.ecfr.gov/current/title-45/subtitle-A/subchapter-C/part-164/subpart-E/section-164.514
    Full face photographic images and any comparable images
    Checked 2026-10-10.

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