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Exam Information
Official specifications published by ASQ
Exam Format
Registration
Validity
CMDA Exam Topics and Domains
CMDA is organized into 5 weighted domains.
Auditing Fundamentals
Types of Audits
- Identify and distinguish between audits by purpose: organizational effectiveness, system efficiency, business performance, process effectiveness, risk management, regulatory compliance, supplier qualification, compliance with standards, design history file compliance, and for-cause audit
- Identify and distinguish between audits by method: product, process, system, first-party, second-party, third-party, internal, external, desk, management, department, and function
- Demonstrate the importance of maintaining confidentiality of personal information reviewed during audits
Audit Roles and Responsibilities
Explain key functions and responsibilities of various audit participants including audit team members, lead auditor, client, auditee, etc.
Ethical, Legal, and Professional Issues
- Define and apply the ASQ Code of Ethics, concepts of due diligence and due care with respect to confidentiality and conflict of interest
- Identify potential legal and financial ramifications of improper auditor actions in various situations
Auditing and Inspection Processes
Audit Preparation and Planning
- Determine and implement steps in audit preparation and planning
- Identify and examine various auditor selection criteria and effectiveness characteristics
- Identify sources of pre-audit information and examine audit-related documentation
- Select and prepare working papers including checklists and log sheets
- Identify and use various tactical methods for conducting an audit
- Identify and organize various audit-related logistics
Audit Performance
- Manage the opening meeting of an audit
- Select and apply various data collection methods and evaluate results
- Examine record-keeping requirements and evaluate data for ALCOA compliance
- Define and apply appropriate interviewing and communication techniques
- Identify, differentiate, and classify sources of objective evidence
- Interpret situations throughout audit performance and manage changes
- Formally manage exit/closing meetings
Audit Report
- Define, plan, and apply the steps in generating an audit report
- Report observations and nonconformances accurately with objective evidence
- Identify and apply record retention requirements
Audit Follow-Up and Closure
- Identify and apply the elements of CAPA processes including root cause analysis
- Use various criteria to evaluate corrective action plan acceptability
- Use various methods to verify and evaluate effectiveness of corrective actions
- Identify and apply various elements of and criteria for audit closure
Audit Procedural References
- Understand general auditing principles as described in ISO 19011 and the MDSAP audit model
- Understand QSIT auditing requirements and explain the purpose and scope of FDA CPG 7382.845
Medical Device Quality Management System Requirements
Regulatory Laws and Requirements
- Identify, define, and apply FDA CFR Title 21 Parts relevant to medical devices
- Identify how the FD&C Act defines and differentiates between device classifications and pre-market requirements
- Recognize requirements of the EU MDR 2017/745 and key differences with U.S. regulations
- Recognize current Health Canada requirements and key differences with U.S. regulations
- Recognize requirements enforced by international agencies such as TGA and PMDA
Requirements for In Vitro Diagnostic (IVD) Devices
Recognize the requirements of 21 CFR 809 and IVDR 2017/746 as they apply to in vitro diagnostic devices
International Standards for Quality Systems
Evaluate the selection and use of ISO 9001, ISO 13485, and ISO 17025 quality system standards
Quality System Regulation (QSR) Requirements (21 CFR 820)
- Assess management responsibility for the quality system
- Evaluate scope, purpose, and implementation of design controls
- Describe and review document and change control system elements
- Describe supplier qualification and purchasing control requirements
- Use appropriate methods for identification and traceability
- Assess production and process controls including process validation
- Determine suitability and calibration of inspection equipment
- Determine adequacy of nonconforming product procedures
- Assess CAPA system and evaluate its effectiveness
- Determine adequacy of handling, storage, distribution, and installation procedures
- Determine adequacy of complaint handling and servicing procedures
- Determine adequacy of statistical techniques and sampling plans
Post-Market Surveillance
- Determine the appropriateness of post-market surveillance procedures
- Define and describe vigilance, MDR, and AER requirements
- Review adequacy of product recall, corrections, removals, and tracking requirements
Technical Medical Device Knowledge
Risk Management
- Describe principles of risk management per ISO 14971
- Determine suitability of hazard identification processes per IEC 62366
- Describe and assess risk-based controls for QMS processes per ISO 13485
Design Control
- Evaluate human factors and usability studies performed during design and development
- Describe material characterization and biocompatibility test selection rationale
- Interpret packaging standards for sterile and non-sterile products
- Explain device shelf life determination
- Identify elements of GSPR per EU MDR 2017/745
Software Development and Maintenance for Products
- Identify principles of product software lifecycle in accordance with FDA guidance and IEC 62304
- Describe the software development lifecycle model including V&V, cybersecurity, change control, and risk management
Labeling
- Identify labeling requirements for devices per 21 CFR 801
- Understand the use of symbols per ISO 15223 and UDI per 21 CFR 830
Controlled Environments and Utility Systems
- Identify and interpret controlled environment specifications per ISO 14644
- Review housekeeping, disinfection, and sanitization processes
- Describe utility system setups and their qualification/validation requirements
Sterile Medical Devices
- Describe and distinguish between aseptically processed and terminally sterilized products
- Identify basic elements of sterilization methods
- Determine appropriate validation and process controls for EtO and radiation sterilization per ISO 11135 and ISO 11137
Laboratory Testing and Failure Analysis
Assess procedures and records used for laboratory test methods and determine their appropriateness
Validation
Define and evaluate elements of different types of validations including process, cleanliness, test method, and rework
Reprocessing/Reuse and Cleaning of Medical Devices
Identify elements of reprocessing and cleaning validations in accordance with FDA guidance
Common Medical Device Directives and Standards
Define and describe elements of IEC 60601-1, RoHS, and REACH as they relate to medical devices
Sources for New and Evolving Standards
Describe sources for standards and guidance documents including FDA Recognized Consensus Standards Database, Harmonised Standards, MEDDEV, NBOG, and Europa
Quality Tools and Techniques
Quality Control and Problem-Solving Tools
Identify, interpret, analyze, and draw conclusions based upon quality control and problem-solving tools
Process Improvement Techniques
- Identify and interpret various process capability indices
- Identify and define the Six Sigma DMAIC phases
- Identify and define various lean tools
- Identify and define MSA terms and their effects on measurement systems
- Define and describe the four basic cost of quality categories
Data Types and Sampling
- Describe qualitative and quantitative data analysis and determine if problems are systemic or isolated
- Determine appropriate use of attributes vs variables sampling plans
- Identify and interpret sampling plans and determine their statistical validity
How do I earn this certification?
Passing CMDA earns the Certified Medical Device Auditor (CMDA) certification. It sits in the Auditing / Medical Device Quality track.
- CFSQA - ASQ Certified Food Safety and Quality AuditorSimilar auditing skillset applied to food safety and quality systems (for career diversification)
- CCQM - ASQ Certified Construction Quality ManagerApplies quality management skills to construction industry
Practice with Precision
The PlanetCert Simulator mirrors the real exam environment with authentic questions and timed pressure.
How to study for this exam?
The most effective way to prepare for CMDA is by using the PlanetCert Simulator to practice questions and review detailed explanations.
What's changed on this exam?
- FDA QMSR (Quality Management System Regulation) Effective February 2, 2026 Direct impact on Domain III - the QMSR replaces the traditional QSR by incorporating ISO 13485:2016 by reference. Candidates must understand both the historical QSR framework and the new QMSR alignment. FDA now has authority to inspect management review and supplier audit records. Compliance Program 7382.850 replaces 7382.845. • Release date: 2026-02-02
- EU MDR 2017/745 Full Implementation Fully applicable The EU MDR is fully applicable and continues to be tested in Domain III. Auditors must understand GSPR requirements, device classification under EU MDR, and the differences from U.S. regulations. • Release date: 2021-05-26
- IVDR 2017/746 Fully applicable The In Vitro Diagnostic Regulation is tested in Domain III Topic B. Auditors must understand IVD-specific requirements separate from general device regulations. • Release date: 2022-05-26
- Medical Device Cybersecurity Evolving FDA guidance Cybersecurity considerations are part of Domain IV Topic C (Software Development). The growing emphasis on cybersecurity in medical devices makes this an increasingly important area for auditors.
Who should take this exam?
- Experience in medical device quality systems
- Familiarity with FDA regulations and ISO standards
- Prior auditing experience