Process challenge device (PCD)

Sterile processing definition

A process challenge device is an item designed to be at least as hard for the sterilant to reach as the hardest item in a load. It holds a biological and/or chemical indicator and is placed in the most challenging spot in the sterilizer. Results from a PCD give confidence that the rest of the load was exposed to sterilizing conditions.

On the CRCST exam

Know that BIs for routine and implant monitoring are placed inside a PCD.

Exam domain: Sterilization Process (about 21% of the exam)

Sterilization Process practice questions

The conditions steam sterilization needs
Prevacuum steam cycle time and temperature
Wet packs after steam sterilization
How to load basins in a steam sterilizer

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