FDA 483 Observations & Warning Letters
FDA inspects medical device companies against GMP (21 CFR 820) requirements. If non-compliance is found, FDA issues Form 483. LMG assists with 483 responses and warning letter remediation.
21 CFR Part 820Inspection ResponseWarning Letter HelpSince 2009
What is an FDA 483 Observation?
FDA inspects medical device companies against GMP (21 CFR 820) requirements. If the firm is not complying, FDA issues Form 483 with non-conformities observed during inspection.
After receiving FDA 483, the firm must send a response with an action plan describing how it will correct deficiencies with a specific timeline for each activity.
If the response to FDA 483 is not adequate, FDA will issue a warning letter. LMG assists with FDA 483 response preparation and corrective action planning.
Examples of observations in FDA 483 are.
- Personnel training is not documented
- Design History File (DHF) not maintained
- Device History Record (DHR) not maintained
- Customer complaints not investigated and documented
- Corrective and Preventive Action (CAPA) not documented
Frequently Asked Questions
Common questions about this FDA label compliance service.
What is FDA Form 483?
Issued after inspection when FDA finds conditions that may violate FDA regulations — particularly GMP for medical devices.
How long do I have to respond?
FDA expects a formal written response within 15 business days.
What happens if 483 is not addressed?
FDA may issue a Warning Letter — a public document with serious regulatory and business consequences.
Can LMG help respond to FDA 483?
Yes. LMG assists with 483 responses, corrective action plans, and GMP compliance improvements.
Need Help Responding to an FDA 483?
LMG assists with FDA 483 responses, corrective action planning, and GMP compliance.
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