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Transmission-Based Precautions

Transmission-based precautions are used when a patient's condition/illness requires more than Standard Precautions. More than one transmission-based precaution may be applied in some situations. When transmission-based precautions are in use, an isolation sign(s) will be placed on the patient's door. Follow the instructions that list the specific requirements for the type of precaution used.
Transmission-based categories include:
  • Contact precautions
  • Droplet precautions
  • Airborne precautions
Discharging patients on transmission-based isolation precautions
If a patient has not been cleared from a specific isolation prior to discharge, the isolation sign should remain posted on the discharged patient's door until the room has been terminally cleaned.