21 CFR Encyclopedia → 21 CFR 820.75(a)
21 CFR 820.75(a)
Devices
93 Annual Form 483 Citations
21 CFR 820.75(a) — Lack of or inadequate process validation
Plain-English Risk Theme: Equipment Qualification (IQ/OQ/PQ), Calibration & Water Systems · Official eCFR Text ↗
Official FDA Inspectional Observation Template
"A process whose results cannot be fully verified by subsequent inspection and test has not been [adequately] validated according to established procedures. Specifically, ***"
Plain-English Brand & QA Translation
Scales, thermometers, pH meters, autoclaves, or purified water systems lacking current NIST-traceable calibration or process validation.
🚨 Why 15-Day Form 483 Responses Fail on 21 CFR 820.75(a):
FDA routinely rejects 15-day Form 483 responses for 21 CFR 820.75(a) when a facility merely states 'we revised our SOP and retrained personnel' without attaching: (1) the signed, effective-dated SOP, (2) photographic or batch-log proof of implementation, and (3) a retrospective impact assessment of all commercial lots manufactured over the prior 24 months within expiry.
✅ Standard 15-Day CAPA Remediation Blueprint:
- Immediate Containment (Days 1–3): Place affected raw materials or in-process lots on QA Hold and open formal CAPA under 21 CFR 820.75(a).
- Systemic Root-Cause & SOP Overhaul (Days 4–10): Tag all critical measuring instruments with calibration due dates, lock out overdue devices, and perform weekly TOC/conductivity/bioburden testing on purified water loops.
- Retrospective Lot Review & Effectiveness Check (Days 11–15): Test retention samples of distributed lots and schedule a 30/60/90-day QA audit to prove sustained compliance.
Copy-Paste Compliant SOP Clause Template (21 CFR 820.75(a))
FREE AUDIT-READY BOILERPLATESTANDARD OPERATING PROCEDURE — COMPLIANCE CLAUSE 21 CFR 820.75(a) 1. PURPOSE: Establish mandatory cGMP controls satisfying 21 CFR 820.75(a) (Lack of or inadequate process validation). 2. REQUIREMENT: Tag all critical measuring instruments with calibration due dates, lock out overdue devices, and perform weekly TOC/conductivity/bioburden testing on purified water loops. 3. QA VERIFICATION & SIGN-OFF: Dual independent verification by Production and Quality Assurance Unit (QAU) is required prior to batch release. Any deviation or Out-of-Specification (OOS) result triggers a formal CAPA investigation within 24 hours.
FDA Investigators Who Frequently Cite 21 CFR 820.75(a)
Published Form 483s Citing 21 CFR 820.75(a)
Indexed in FDA ORA Inspectional Observations dataset.