An instrument can be clean and fully inspected but still not be ready for packaging if moisture remains.
Water can hide inside hinges, lumens, recessed surfaces, and multipart devices. Drying should be treated as a deliberate quality checkpoint — not an assumption.
Where moisture can hide
Before an instrument moves forward, check hinges and box locks, lumens and internal channels, serrations and recessed areas, multipart devices, and trays or containment accessories.
Always follow the manufacturer's IFU for the appropriate drying method. The CDC recommends that instruments be thoroughly dry before packaging, wrapping, or containment.
Why the decision matters
Moisture left inside an instrument can create problems later in the process. Don't assume the sterilizer's drying cycle will correct an instrument that entered the package wet. If you find moisture, stop and resolve it before moving the instrument forward.
Technician takeaway: clean, functional, and dry are three separate conditions. Each must be verified before packaging.
A real-world reminder
A published 2025 investigation linked an unexpected rise in postoperative infections to residual moisture on surgical instruments associated with overloaded sterilizer loads.
Routine sterilizer diagnostics, chemical indicators, and biological testing did not reveal an obvious failure. During the affected period, 21.2% of knee ligament reconstruction procedures were complicated by postoperative joint infections. After the facility reduced the number of instruments per load, the infection rate fell to below 1% over the following two years.
The lesson is simple: a completed cycle and acceptable indicators do not make retained moisture irrelevant. Loading practices, drying, and instrument condition all matter. If moisture is present, stop and investigate — don't assume the cycle made it safe.
The leadership: reliability requires a system
Technicians need the right drying equipment, current IFUs, adequate inspection lighting, sufficient processing time, and clear escalation procedures.
If moisture keeps appearing in the same device type, look beyond individual technique. The equipment, workflow, device design, or instructions may need to be reviewed. Are we checking — or assuming?
Build your plan with ATS
Get the next issue in your inbox.
Our newsletter for sterile processing students and techs — CEU reminders, career news, who's hiring, and new guides. No spam, unsubscribe anytime.