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Regulation (EU) 2017/746 · Article 48 · Visual route map

The IVDR CE-marking route

Classification chooses the gate. Evidence keeps it open.

CE marking is not one final certificate. It is the visible output of a connected system linking intended purpose, risk class, performance evidence, quality controls, regulatory roles and lifecycle surveillance.

Visual resource map
Open the route map ↓

The first decision

The class changes the assessment route

ANon-sterileManufacturer declaration

No notified body for the standard route

ASterileLimited notified-body scope

Only the sterile-condition aspects

B·CRisk risesNotified body required

QMS and technical-documentation assessment

DHighest riskAdditional controls

Laboratory, expert and batch mechanisms where applicable

The complete route

From product definition to a living CE system

Read from top to bottom. The centre rail shows the regulatory sequence. Parallel lanes show work that must mature together rather than wait for the previous box to finish.

01Define

Product identity gate

Lock the intended purpose before the route begins

Define the analyte or marker, specimen, target population, intended user, use environment, test function, claimed performance and clinical context. Qualification as an IVD and every later decision depend on this controlled statement.

AnalyteSpecimenPopulationUserSettingClaim
Output 01Controlled intended-purpose statement
02Classify

Annex VIII gateway

Apply every relevant rule and record the highest class

IVDs fall into classes A, B, C or D according to intended purpose and inherent risk. Review all implementing rules, all seven classification rules and every applicable indent. Accessories are classified in their own right.

ALower risk
BModerate
CHigher
DHighest
Output 02Classification rationale with rule traceability
03Build

Three parallel workstreams

Build the organisation, evidence and dossier as one system

These lanes exchange inputs continuously. Treating them as independent document projects creates contradictions that surface during technical review or audit.

QWorkstream one

Quality and organisation

Article 10 quality management, design control, supplier control, production, corrective action and post-market processes.

  • QMS proportionate to risk and device type
  • PRRC coverage under Article 15
  • EU authorised representative for a non-EU manufacturer
EWorkstream two

Performance evidence

Scientific validity, analytical performance and clinical performance joined in a performance evaluation.

  • Performance evaluation plan and report
  • Performance studies where required
  • Post-market performance follow-up plan
TWorkstream three

Technical documentation

Annexes II and III connect product design, risk management, GSPR evidence, verification, labelling and surveillance.

  • Device description and specifications
  • Risk and GSPR traceability
  • Manufacturing, verification and lifecycle records
Output 03Assessment-ready QMS, evidence package and dossier
04Route

Article 48 route gate

Send the product through its class-dependent assessment

The standard routes below apply to devices other than devices for performance studies. Special characteristics can add review steps without changing the underlying risk class.

AClass A

Self-declaration unless supplied sterile

For a non-sterile class A IVD, the manufacturer draws up Annexes II and III technical documentation and issues the EU declaration of conformity without notified-body involvement.

Non-sterile · manufacturer routeSterile · Annex IX or Annex XI with NB scope limited to sterile conditions
Article 48(10)
BClass B

Notified-body QMS route

Annex IX Chapters I and III apply, including assessment of technical documentation for at least one representative device per category.

QMS assessment and surveillanceAdditional technical-documentation procedure for self-testing and near-patient testing
Article 48(9)
CClass C

Notified-body route with deeper technical review

Use Annex IX Chapters I and III with assessment of at least one representative device per generic device group, or Annex X coupled with Annex XI except Section 5.

Self-testing and near-patient controls where applicableMedicines authority or EMA consultation for companion diagnostics
Article 48(7–8)
DClass D

Full notified-body route with added scrutiny

Use Annex IX Chapters I, II except Section 5, and III, or Annex X coupled with Annex XI. The notified body assesses the technical documentation for the device.

EU reference laboratory testing where one is designatedExpert consultation when no common specifications exist and this is the first certification of that device typeManufactured-device or batch verification
Article 48(3–6)
Output 04Selected conformity route and assessment plan
05Assess

External assessment gate

Choose a designated notified body and close the findings

Where notified-body involvement is required, confirm that the body is designated under the IVDR for the relevant IVD codes. Align the application scope, device groups, sites and subcontractors before submission.

01Application and contract
02QMS audit
03Technical review
04Findings closed
05Certificate issued

Class A non-sterile products bypass this external gate, but they do not bypass technical documentation, performance evaluation, risk management, registration or post-market obligations.

Output 05Certificate where required and resolved assessment record
06Release

Market-release interlock

Complete the legal release sequence before applying CE

The certificate is an input, not the final action. The manufacturer remains responsible for the declaration, registrations, product information and release decision.

  1. 01
    Confirm economic-operator architecture

    Manufacturer, authorised representative where required, importer and PRRC are defined and contractually aligned.

  2. 02
    Assign Basic UDI-DI and UDI

    Connect identifiers to the device family, labels, records and registration dataset.

  3. 03
    Complete required EUDAMED registrations

    Register actors and devices and maintain the information under the mandatory modules.

  4. 04
    Issue the EU declaration of conformity

    The manufacturer formally declares conformity with the IVDR and other applicable Union legislation.

  5. 05
    Apply the CE marking

    Add the notified-body identification number where the applicable conformity assessment involved a notified body.

Output 06Legally controlled release to the Union market
07Maintain

Closed lifecycle loop

Keep the evidence, QMS and product aligned after launch

CE marking remains credible only while new information returns to risk management, performance evaluation, technical documentation and corrective-action systems.

01Collect

PMS, complaints, scientific literature, user feedback and performance data

02Evaluate

PMPF, trend detection, benefit-risk review and signal assessment

03Act

Vigilance, CAPA, field action, design or information changes

04Update

PMS report for A and B, annual PSUR for C and D, dossier and QMS

The loop feeds back intoRisk · performance · labelling · controls
Output 07Maintained conformity throughout the device lifecycle

Route modifiers

Five switches can add another control layer

Check these characteristics early. Discovering one after the assessment strategy is fixed can reopen the route.

STSelf-testingUser-facing evidence and usability

Technical-documentation assessment addresses lay use, result interpretation and risk controls.

NPNear-patient testingTesting outside a laboratory environment

Additional technical-documentation procedures apply for classes B, C and D.

CDxCompanion diagnosticMedicines authority consultation

The notified body consults the relevant competent authority or EMA on suitability with the medicinal product.

DClass DLaboratory, expert and batch controls

EU reference laboratory and expert-panel mechanisms apply under the conditions set by Article 48.

EUNon-EU manufacturerAuthorised representative required

A written mandate and EU regulatory interface must be in place before market access.

System status · 28 May 2026

The first four EUDAMED modules are mandatory

Actor registration, UDI and device registration, notified bodies and certificates, and market surveillance moved into mandatory use. Build registration data as controlled regulatory data, not as a final clerical upload.

01Actors
02UDI and devices
03NB and certificates
04Market surveillance

Release checkpoint

The CE mark is the output, not the project

A release decision is defensible only when the product identity, class, evidence, QMS, assessment route, registrations and post-market system tell the same story.

ProductEvidenceSystemRouteCE
This map presents the standard IVDR logic for devices other than devices for performance studies. Product-specific features, common specifications, national requirements and transitional status may change the detailed plan.

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Useful information

CE-Certificate vs. EC-Certificate

Basic UDI-DI (bUDI)

EUDAMED registration - a brief guide

Authorised Representative Mandate

GSPR – General Safety and Performance Requirements

How to obtain CE marking for medical software under the EU MDR or IVDR?

Technical documentation for Medical Device Software in the EU

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Resources

Medical Device Regulation (MDR) - basics

CE-marking process for medical devices

CE-marking process for in vitro diagnostic medical devices

MDR technical documentation checklist

IVDR technical documentation checklist

Technical documentation checklist for medical device software (MDSW)

MDR-compliant quality system documentation checklist

MDR-compliant quality system documentation checklist for medical device software

Clinical Evaluation Plan checklist

Clinical Evaluation Report checklist

PRRC under MDR or IVDR

Articles

CE-Certificate vs. EC-Certificate

Basic UDI-DI (bUDI)

EUDAMED registration - a brief guide

Authorised Representative Mandate

GSPR – General Safety and Performance Requirements

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