Could a single illegible equipment tag trigger a Form 483 during your next FDA inspection? In pharmaceutical manufacturing, the answer is yes. Under 21 CFR 211.105, every major piece of equipment must be clearly identified at all times to ensure full batch traceability.
As of February 2, 2026, the FDA has transitioned to the Quality Management System Regulation (QMSR), aligning with ISO 13485:2016. This shift places greater emphasis on lifecycle durability. If your equipment identification cannot withstand cleaning, sterilization, and daily use, it may not meet compliance requirements.
The Three Pillars of 211.105 Compliance
Continuous visibility: Equipment identification must remain legible during all phases of operation, including production, sterilization, and cleaning.
Distinctive traceability: Each piece of equipment must have a unique identifier that connects directly to batch records.
Material durability: Identification must withstand exposure to chemicals, disinfectants, and high temperatures common in pharmaceutical environments.
Why Adhesive Labels Fall Short
Adhesive labels are often used for equipment identification, but they can introduce compliance risks. Repeated exposure to cleaning agents can cause adhesives to degrade, resulting in edge lifting and potential contamination concerns.
In addition, printed information may fade, smear, or become unreadable over time. Once the identification is compromised, the equipment is no longer compliant, regardless of its condition.
Etched Stainless Steel for Cleanroom Environments
For long-term compliance, etched 316 stainless steel nameplates provide a reliable solution. Unlike surface printing, etching creates a permanent mark within the material.
Sterilization resistance: Etched plates maintain legibility through repeated autoclave cycles.
Chemical resistance: 316 stainless steel withstands exposure to common disinfectants and sterilization agents.
Durability: Permanent markings remain intact without peeling, fading, or degradation.
At DNPE, etched solutions are designed specifically for demanding environments where compliance and durability are critical.
Choosing the Right Marking Method
Different applications require different marking techniques. Photo-chemical etching is ideal for flat surfaces and high-detail identification, including barcodes. Electrochemical marking is often used for sensitive components where heat-free marking is required.
Selecting the appropriate method ensures both performance and compliance across a range of equipment types.
FDA Equipment Identification Checklist
✔ Remains legible after sterilization cycles
✔ Resists chemicals and disinfectants
✔ Includes a unique identification code
✔ Is permanently attached to equipment
✔ Supports barcode or scanning requirements
Supporting UDI and Modern Compliance
With the adoption of QMSR, integrating Unique Device Identification (UDI) into equipment marking strategies has become increasingly important. Durable metal nameplates allow both human-readable and machine-readable data to remain intact throughout the equipment lifecycle.
This helps maintain accurate records and reduces the risk of errors associated with relabeling or data loss.
Built for Compliance and Longevity
Since 1911, DNPE has supported manufacturers with identification solutions built for real-world conditions. With over a century of experience, DNPE understands the importance of durability, traceability, and regulatory compliance.
Each project is evaluated based on environmental conditions, cleaning protocols, and operational requirements to ensure long-term performance.
Prepare for Your Next Inspection
Upgrading to permanent, durable identification is one of the most effective ways to support compliance and reduce risk during FDA inspections.
To get started, request a quote, contact DNPE, or call 800-659-3824.