ISO 13485 2003 Introduction to Medical Device Standard

ISO 13485 2003 has expired. See the new ISO 13485 2016 standard.


ISO 13485 is a quality management standard for medical
ISO published the ISO 13485: 2003 standard on
July 15, 2003. It replaces all previous editions including
ISO 13485:1996 and ISO 13488:1996.

ISO standards are developed by technical committees.
ISO 13485 was developed by ISO Technical Committee 210.
ISO/TC 210 is responsible for “quality management and
corresponding general aspects for medical devices”.

Use ISO 13485 2003:

•  To establish a quality management system that
    is oriented towards the design, development,
production, and installation of medical
    devices and related services.

•  To demonstrate your ability to supply medical devices
    and related services that meet customer expectations
    and comply with regulatory requirements.

•  To evaluate how well your organization is able
    to meet customer expectations and comply
    with regulatory requirements.

•  To become certified or registered.

ISO 13485 is not a product standard. It’s a process standard.
Therefore, it’s not enough to establish a quality management
system that complies with the ISO 13485 standard, you also
need to comply with all relevant product and service
oriented technical standards and regulations.

ISO 13485 VERSUS ISO 9001

ISO 13485:2003 is based on the ISO 9001:2000 quality
management standard. Both standards are organized
in the same way and use basically the same numbering
system. In addition, most of the ISO 13485 requirements
are taken directly from ISO 9001 without modification.

However, some ISO 9001 requirements were modified
and others were excluded. Of course, ISO 13485 also
includes a special set of requirements specifically related
to the supply of medical devices and related services.
In general, ISO 13485 is made up of two kinds of
requirements: old ISO 9001 requirements and new
requirements that are specifically related to medical
devices and associated services.

ISO 13485 excludes ISO 9001 requirements related to
continual improvement and customer satisfaction. Continual
is excluded because most medical device
regulations require organizations to maintain their quality
management systems, not to improve them. And customer
is excluded because committee members
thought it was too subjective.

When ISO 9001 wants you to document a procedure, it also
wants you to implement and maintain it. Section 4.2.1 of
ISO 13485 expands on this idea by including requirements,
activities, and special arrangements. More precisely:

•  When ISO 13485 wants you to document a
    procedure, the standard also wants you to
    implement and maintain it.

•  When ISO 13485 wants you to document a
    requirement, the standard also wants you
    to implement and maintain it.

•  When ISO 13485 wants you to document
    an activity, the standard also wants you
    to implement and maintain it.

•  When ISO 13485 wants you to document
    an arrangement, the standard also wants
    you to implement and maintain it.

But you don’t have to remember this rule. Our plain English
publication (Title 45) makes this expectation explicit
whenever a procedure, requirement, activity, or special
arrangement must be documented. It does so by explicitly
asking you not only to document it but also to implement
and maintain it.

ISO 13485 also places a greater emphasis on the use
of procedures to regulate and control how activities and
processes should be performed. In this sense, ISO 13485 is
somewhat more prescriptive than ISO 9001. ISO 9001 often
leaves it up to you to decide how work should be controlled,
whereas ISO 13485 seems to have removed some of this
flexibility by insisting on the use of formal procedures.

Since ISO 13485 is all about medical devices and related
services, it of course adds many new requirements
to address the specific needs of this industry. Our
plain English publication (Title 45) highlights these
new requirements by using
blue text.


ISO 9001 2000 says that you may exclude or ignore some
requirements if you can justify doing so. You can exclude
section 7 product realization requirements if you cannot
apply them because of the nature of your organization and
its products. Similarly, ISO 13485 2003 says that you can
exclude section 7 requirements if they are not applicable
in your situation because of the nature of your
organization's medical devices.

You may also exclude section 7.3 design and development if
official regulations allow you to do so and if you have made
alternative arrangements that comply with these regulations.

Occasionally ISO 13485 uses the phrase “if appropriate” or
“where appropriate”. When a requirement uses this phrase,
you may ignore or exclude it if you can justify doing so.

Whenever you decide to exclude or ignore an ISO 13485
requirement make sure that you’ve got a good reason. Make
sure you can justify and explain why, and make sure this
explanation is documented in your quality manual.

OUR ISO 13485 2016 PAGES

Introduction to ISO 13485 2016

Outline of ISO 13485 2016 Standard

Overview of ISO 13485 2016 Standard

ISO 13485 2016 versus ISO 13485 2003

Plain English ISO 13485 2016 Definitions

ISO 13485 2016 Translated into Plain English

ISO 13485 2016 Quality Management Checklist

ISO 13485 2016 Quality Management Gap Analysis

ISO 13485 2016 Quality Management Audit Program

Skills and Knowledge Internal Auditors Should Have


ISO 14971 Risk Management Library

ISO 9001 2015 Quality Management Library

ISO 9004 2009 Quality Management Library

ISO 19011 2011 Auditing Library

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Updated on May 16, 2016. First published on December 20, 2004.

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