{"id":8106,"date":"2026-04-22T10:08:35","date_gmt":"2026-04-22T14:08:35","guid":{"rendered":"https:\/\/nabsolutions.com\/us\/?p=8106"},"modified":"2026-04-27T09:55:02","modified_gmt":"2026-04-27T13:55:02","slug":"software-validation-explained-simply","status":"publish","type":"post","link":"https:\/\/nabsolutions.com\/us\/industries\/the-process-industry\/medical-device-manufacturing\/software-validation-explained-simply\/","title":{"rendered":"Software validation explained simply"},"content":{"rendered":"\r\n
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\r\n April 22nd, 2026 <\/p>\r\n\r\n

\r\n Software validation explained simply <\/h1>\r\n\r\n \r\n\r\n

\r\n Medical device manufacturing <\/p>\r\n <\/header>\r\n\r\n

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\r\n Software validation is the documented proof that a software application works as intended and meets both business and regulatory requirements. In regulated industries, it is a mandatory process that helps ensure patient safety, data integrity, and compliance with standards such as FDA 21 CFR Part 11 and ISO regulations. <\/p>\r\n <\/header>\r\n\r\n

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    In regulated industries, software is never \u201cjust IT\u201d. When systems support production, quality, documentation, or decision\u2011making, they must be proven to work reliably, traceably, and as intended. Software validation ensures exactly that \u2013 protecting patient safety, product quality, and regulatory compliance at every stage of the software lifecycle.<\/p>\n

    This article explains software validation in clear, practical terms: what it is, why it is mandatory in regulated environments, how it differs from computer system validation, and how validation is carried out in practice. The focus is on helping organizations understand what regulators expect \u2013 and how to meet those expectations without unnecessary complexity.<\/p>\n

    What is software validation?<\/h2>\n

    Software validation is the documented process of the software lifecycle that covers all phases of software product development. This process begins with planning and requirements management, continues through specification and coding, and extends to testing procedures and product release.<\/p>\n

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    Why is software validation important?<\/h2>\n<\/div>\n<\/div>\n
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    Software validation is essentially important for two reasons:<\/p>\n

    Patient safety<\/h3>\n

    It ensures that the software is suitable for its intended use and functions reliably and error-free. This prevents mistakes and quality issues, ensuring maximum patient safety.<\/p>\n

    Regulations<\/h3>\n

    It ensures that legal and regulatory requirements in sensitive industries are met \u2013 for example, FDA 21 CFR Part 11.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n

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    What is the difference between computer system validation and software validation?<\/h2>\n<\/div>\n<\/div>\n
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    Computer system validation\u00a0looks at all aspects of a computer system. In addition to the software, this includes hardware, networks, and interfaces. This ensures that all components involved function reliably.<\/p>\n

    Software validation, on the other hand, focuses exclusively on the software application itself. It verifies whether the application meets the defined requirements and is suitable for its purpose. In other words, software validation is one element of computer system validation.<\/p>\n

    Is software validation mandatory?<\/span><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n

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    Yes. Companies operating in regulated industries are required to validate their software. This applies in particular to the pharmaceutical and medical technology sectors, which are bound by regulations such as FDA 21 CFR Part 11, ISO 9001, and ISO 13485.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n

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    How does software validation work?<\/h2>\n<\/div>\n<\/div>\n
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    1. Requirements analysis:<\/strong>\u00a0In the requirements analysis, both functional and non-functional requirements are defined and documented.<\/li>\n
    2. Selection of the software to be validated<\/strong>: In the second step, the company determines which solutions are subject to validation.<\/li>\n
    3. Risk assessment<\/strong>: Next, the risks in the context of software validation are identified and assessed, with the aim of detecting and eliminating potential sources of error.<\/li>\n
    4. Test planning and execution<\/strong>: As part of test planning, test cases are created that cover all previously defined requirements. Tests are then executed in different environments, such as integration and system tests.<\/li>\n
    5. Documentation<\/strong>: To comply with traceability requirements, all tests are documented and results are reviewed. It is assessed whether the software meets the requirements and whether errors have been corrected.<\/li>\n
    6. Approval and release<\/strong>: As part of the approval and release process, a comprehensive validation report is created. This report certifies that the software complies with all defined standards.<\/li>\n<\/ol>\n

      A proven and widely recognized approach to software validation is the V-model, which follows a well-established validation plan.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n

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      What role does ISO 13485 play in software validation?<\/h2>\n<\/div>\n<\/div>\n
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      ISO 13485 plays a key role in software validation in the medical technology sector. It defines the requirements for a quality management system for the development and use of medical devices and regulates the validation of the software applied. An\u00a0ERP system for the medical device industry\u00a0must reliably support these requirements. The main aspects are:<\/p>\n