SESKStuff Everyone Should Know
SESK: Stuff Everyone Should Know · sesk.info/hipaa-wrong-fax-number

What should you do before faxing PHI?

Double-check the fax number and use a cover sheet.

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  1. Send it fast and check the number later
  2. Double-check the number and use a cover sheet ✔
  3. Use any fax machine that is free

Why: Covered entities must reasonably protect PHI from accidental disclosure. Check the number before you send. If a fax goes to the wrong place, report it right away so it can be assessed.

Huh, didn't know that: A fax sent to the wrong place is presumed to be a breach unless a risk assessment shows a low probability of compromise.

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Why did the fax machine apologize? It dialed the wrong number again.
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References

Answer: Double-check the number and use a cover sheet. Covered entities must reasonably protect PHI from accidental disclosure. Check the number before you send. If a fax goes to the wrong place, report it right away so it can be assessed.

  1. 45 CFR 164.530(c) (eCFR) www.ecfr.gov/current/title-45/subtitle-A/subchapter-C/part-164/subpart-E/section-164.530
    must reasonably safeguard protected health information from any intentional or unintentional use or disclosure
    Checked 2026-10-10.
  2. 45 CFR 164.402 (eCFR) www.ecfr.gov/current/title-45/subtitle-A/subchapter-C/part-164/subpart-D/section-164.402
    is presumed to be a breach unless the covered entity or business associate, as applicable, demonstrates that there is a low probability
    Checked 2026-10-10.

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