--- title: "CAPA Effectiveness Check, Definition | MedTech Terms" description: "Verification step confirming a corrective or preventive action actually fixed the problem. Plain-English Quality & Risk definition for MedTech teams, with examp" lang: en json-ld: | { "@context": "https://schema.org", "@graph": [ { "@type": "DefinedTerm", "@id": "https://medtechterms.com/terms/capa-effectiveness#term", "name": "CAPA Effectiveness Check", "description": "An effectiveness check is a planned, objective evaluation performed after a CAPA action is implemented to confirm the action eliminated the root cause and the issue does not recur. 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Reviewed by [Christian Espinosa, Founder, Blue Goat Cyber](/authors/christian-espinosa) Last reviewed May 5, 2026 ## Definition An effectiveness check is a planned, objective evaluation performed after a [CAPA](/terms/capa) action is implemented to confirm the action eliminated the root cause and the issue does not recur. Acceptance criteria and a defined timeframe are set in advance. What the regulation says Regulators emphasize effectiveness checks as a critical component of a robust [CAPA](/terms/capa) process. For instance, the FDA's 21 CFR 820.100(a)(7) requires verification of effectiveness for corrective and preventive actions. Similarly, [ISO 13485](/terms/iso-13485):2016 clause 8.5.2 and 8.5.3 mandates verification that the corrective or preventive action does not adversely affect the conformity to requirements or the safety and performance of the medical device. ## What this means in practice Closing CAPAs without an effectiveness check is one of the most common QSR/ [ISO 13485](/terms/iso-13485) audit findings. Effectiveness data should be quantitative wherever possible. ## Examples - After a CAPA to redesign a sterile barrier, an effectiveness check involves monitoring packaging integrity test results over six months to demonstrate reduced integrity failures. - For a software bug fix CAPA, the effectiveness check might include re-running all affected test cases, analyzing user complaint data for a specified period, and monitoring system logs for recurrence of the error. - Following a CAPA addressing personnel training deficiencies, the effectiveness check could involve competency assessments, observed performance, and review of quality records for errors related to the previous training gap over a quarter. Common pitfalls - • Failing to establish objective, measurable acceptance criteria before implementing the CAPA can lead to subjective and undemonstrable effectiveness checks. - • Closing a CAPA based on a short-term observation period without sufficient data to prove sustained effectiveness is a common pitfall. - • Not linking the effectiveness check directly to the identified root cause and the specific problem statement can result in a check that doesn't truly validate the CAPA's success. - • Confusing verification of implementation with verification of effectiveness often leads to inadequate CAPA closure. - • Ignoring potential unintended adverse effects or new problems introduced by the CAPA while performing the effectiveness check can compromise device safety and performance. ## Frequently asked questions What is the primary purpose of a CAPA effectiveness check? The primary purpose is to objectively confirm that the implemented corrective or preventive action has successfully eliminated the identified root cause and prevented recurrence of the nonconformity or undesirable situation. When should an effectiveness check be planned? Can an effectiveness check be qualitative? Who is responsible for performing effectiveness checks? ## Cross-references ### Follows Comes after in a typical workflow or lifecycle. - [ Corrective and Preventive Action(CAPA) ](/terms/capa) ## Related terms Grouped by theme ### Editor's picks · Hand-selected related concepts [ Quality & Risk Corrective and Preventive Action(CAPA) Systematic process to investigate and resolve quality issues and prevent recurrence. ](/terms/capa)[ Quality & Risk Quality System Regulation(QSR / 21 CFR 820) FDA's current good manufacturing practice (cGMP) requirements for medical devices. ](/terms/qsr)[ Standards ISO 13485 International standard for medical device quality management systems. ](/terms/iso-13485) ### More in Quality & Risk · Same category [ Quality & Risk Biocompatibility Ability of a material to perform with an appropriate host response in a specific application. ](/terms/biocompatibility)[ Quality & Risk Change Control Formal QMS process for evaluating, approving, and implementing changes that could affect product quality or compliance. ](/terms/change-control)[ Quality & Risk Complaint Handling Process for receiving, evaluating, and responding to device complaints. ](/terms/complaint-handling)[ Quality & Risk Design Controls Structured process governing the design of medical devices. ](/terms/design-controls) Cited by Where this term appears across MedTech Terms. Ecosystems (1) - [Quality System](/ecosystems/quality-system) ## Primary references 3 sources Link health: 3 verified · last checked 2026-06-20 FDA· 1 ISO· 1 AAMI· 1 1. [1 FDA - Quality Systems Verified FDA · fda.gov ](https://www.fda.gov/medical-devices/postmarket-requirements-devices/quality-system-qs-regulationmedical-device-good-manufacturing-practices) 2. [2 ISO 13485 Standard Page Verified ISO · iso.org ](https://www.iso.org/iso-13485-medical-devices.html) 3. [3 AAMI - Quality Systems Resources Verified AAMI · aami.org ](https://www.aami.org/standards) Inline markers like \[1\] jump to the matching reference above. Sponsor note ### Tying cybersecurity into your QMS? We help align cybersecurity activities with ISO 13485 design controls and ISO 14971 risk management. [Book a 30-minute discovery session](https://go.bluegoatcyber.com/meetings/blue-goat-cyber/discovery-session) - No obligation - Expert-led from minute one - NDA available on request MedTech Terms is a community resource sponsored by [Blue Goat Cyber](https://bluegoatcyber.com). Definitions are independent of any vendor. On this term Category Quality & Risk Sources 3 Updated 5/5/2026 [Compare with another term](/compare?a=capa-effectiveness) Learn in 60 seconds Card Lesson Quiz Verification step confirming a corrective or preventive action actually fixed the problem. - · Closing CAPAs without an effectiveness check is one of the most common QSR/ISO 13485 audit findings. - · Effectiveness data should be quantitative wherever possible. - · Acceptance criteria and a defined timeframe are set in advance. Remember this Watch out: Failing to establish objective, measurable acceptance criteria before implementing the CAPA can lead to subjective and undemonstrable effectiveness checks. Related terms - [Corrective and Preventive Action(CAPA) ](/terms/capa) - [Quality System Regulation(QSR / 21 CFR 820) ](/terms/qsr) - [ISO 13485 ](/terms/iso-13485) You may also need Auto-suggested from Quality & Risk and shared keywords. - [Internal Audit ](/terms/internal-audit) - [Management Review ](/terms/management-review) - [Algorithm Change Protocol(ACP) ](/terms/algorithm-change-protocol) - [Risk Acceptability Matrix ](/terms/risk-acceptability-matrix) - [PMA Supplement Types ](/terms/pma-supplement-types) - [Fault Tree Analysis(FTA) ](/terms/fta) [All Quality & Risk terms](/terms?cat=Quality%20%26%20Risk) From the Blue Goat network Related resources and services on this topic. - [ MedTech Truths Common misconceptions about medical device development - debunked. ](https://mdcmisconceptions.com) MedTech Terms An authoritative, plain-language reference for the regulatory, quality, cybersecurity, and software terms that shape modern medical devices. 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