--- title: "Use Specification, Definition | MedTech Terms" description: "Defined description of intended users, uses, use environments, and patient populations for a device. 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[Quality & Risk](/terms?cat=Quality%20%26%20Risk) 6. / 7. Use Specification [All terms](/terms) Quality & Risk [Quality System](/ecosystems/quality-system) # Use Specification Defined description of intended users, uses, use environments, and patient populations for a device. Reviewed by [Christian Espinosa, Founder, Blue Goat Cyber](/authors/christian-espinosa) Last reviewed May 5, 2026 ## Definition Per [IEC 62366-1](/terms/iec-62366-1), the use specification documents the intended medical indication, patient population, intended part of the body or tissue, intended user profile, [intended use](/terms/intended-use) environment, and operating principle. What the regulation says [IEC 62366-1](/terms/iec-62366-1):2014+A1:2020 specifies the essential elements of a use specification, including the medical indication, patient population, anatomical site, user profile, use environment, and operating principle. The FDA similarly expects manufacturers to define the [intended use](/terms/intended-use) and users as part of their [human factors engineering](/terms/human-factors) process, as detailed in their guidance "Applying Human Factors and Usability Engineering to Medical Devices." ## What this means in practice Drives the [use-related risk analysis](/terms/urra) and human factors validation. Discrepancies between use specification and real-world clinical use are a frequent root cause of use errors. ## Examples - For an insulin pump, the use specification would define the intended patient population as individuals with diabetes requiring insulin therapy, specify the self-administration by patients or caregivers, and detail the home-use environment. - For a surgical robot, the use specification would identify the intended users as trained surgeons and their teams, delineate the surgical procedures supported, and stipulate the operating room environment. - For a diagnostic software, the use specification would describe the intended medical indication, such as aiding in the detection of a specific disease, and identify the intended user as a qualified healthcare professional interpreting the results. Common pitfalls - • Failing to involve actual users in the development of the use specification can lead to an incomplete or inaccurate understanding of real-world use conditions. - • Not updating the use specification throughout the device lifecycle, especially after design changes or new clinical insights, can introduce significant risks. - • Confusing the use specification with marketing claims can result in a document that exaggerates capabilities or misrepresents the intended user base. - • An overly broad or vague use specification can make it difficult to conduct a thorough use-related risk analysis and human factors validation. - • Disregarding the influence of the use environment on user interaction and device performance is a common oversight that leads to use errors. ## Frequently asked questions How does the use specification relate to intended use? The use specification is a detailed expansion of the [intended use](/terms/intended-use), providing granular information about how the device is meant to be used in practice. It translates the high-level intended use statement into concrete operational parameters. Who is responsible for creating the use specification? When in the product lifecycle is the use specification developed? ## Cross-references ### Used by Things that build on this term. - [ IEC 62366-1 ](/terms/iec-62366-1) ## Related terms Grouped by theme ### Editor's picks · Hand-selected related concepts [ Clinical & Trials Human Factors Engineering(HFE) Engineering discipline focused on safe and effective device use by intended users. ](/terms/human-factors)[ Clinical & Trials Use Error User action or lack thereof that leads to a different result than intended by the manufacturer or expected by the user. ](/terms/use-error)[ Standards IEC 62366-1 Application of usability engineering to medical devices. ](/terms/iec-62366-1) ### Risk & Usability Deep Dive · From this learning path [ Quality & Risk Risk Acceptability Matrix Pre-defined matrix mapping severity × probability combinations to acceptable, ALARP, or unacceptable risk. ](/terms/risk-acceptability-matrix?from=risk-and-usability)[ Quality & Risk Risk Management File(RMF) Set of records and outputs from the ISO 14971 risk management process. ](/terms/risk-management-file?from=risk-and-usability)[ Quality & Risk Summative vs. Formative Evaluation Iterative usability studies (formative) vs. final validation testing (summative) of a device's user interface. ](/terms/summative-formative?from=risk-and-usability)[ Standards ISO 14971 International standard for the application of risk management to medical devices. ](/terms/iso-14971?from=risk-and-usability) ### 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) Cited by Where this term appears across MedTech Terms. Learning paths (1) - [Risk & Usability Deep Dive](/paths/risk-and-usability)Lesson 6 of 9 Ecosystems (1) - [Quality System](/ecosystems/quality-system) ## Primary references 3 sources Link health: 3 verified · last checked 2026-06-20 IEC· 1 ISO· 1 AAMI· 1 1. [1 IEC 62366-1 Verified IEC · webstore.iec.ch ](https://webstore.iec.ch/publication/61937) 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=use-specification) Learn in 60 seconds Card Lesson Quiz Defined description of intended users, uses, use environments, and patient populations for a device. - · Drives the use-related risk analysis and human factors validation. - · Discrepancies between use specification and real-world clinical use are a frequent root cause of use errors. Remember this Watch out: Failing to involve actual users in the development of the use specification can lead to an incomplete or inaccurate understanding of real-world use conditions. Related terms - [IEC 62366-1 ](/terms/iec-62366-1) - [Human Factors Engineering(HFE) ](/terms/human-factors) - [Use Error ](/terms/use-error) You may also need Auto-suggested from Quality & Risk and shared keywords. - [Clinical Performance (IVDR) ](/terms/ivdr-clinical-performance) - [Indications for Use(IFU (statement)) ](/terms/indications-for-use) - [Summary of Safety and Performance (IVDR)(SSP) ](/terms/ivdr-summary-safety-performance) - [Quality System Regulation(QSR / 21 CFR 820) ](/terms/qsr) - [Fault Tree Analysis(FTA) ](/terms/fta) - [IQ / OQ / PQ ](/terms/iq-oq-pq) [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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