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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">medalphabet</journal-id><journal-title-group><journal-title xml:lang="ru">Медицинский алфавит</journal-title><trans-title-group xml:lang="en"><trans-title>Medical alphabet</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2078-5631</issn><issn pub-type="epub">2949-2807</issn><publisher><publisher-name>ООО «Альфмед»</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.33667/2078-5631-2026-7-48-55</article-id><article-id custom-type="elpub" pub-id-type="custom">medalphabet-5070</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>Статьи</subject></subj-group></article-categories><title-group><article-title>Посерийный контроль медицинских изделий для диагностики in vitro третьего класса риска: международный опыт, обоснование и предложения по внедрению в Российской Федерации</article-title><trans-title-group xml:lang="en"><trans-title>Lot-by-lot verification of third-risk-class in vitro diagnostic medical devices: international experience, rationale, and implementation proposals for the Russian Federation</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4656-1025</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Момыналиев</surname><given-names>К. Т.</given-names></name><name name-style="western" xml:lang="en"><surname>Momynaliev</surname><given-names>K. T.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Момыналиев Куват Темиргалиевич, д. б. н., доцент, руководитель научно‑практического центра испытаний медицинских изделий</p><p>Москва</p></bio><bio xml:lang="en"><p>Momynaliev Kuvat T., Dr Bio Sci (habil.), associate professor, head of Scientific and Practical Center for Medical Device Testing</p><p>Moscow </p></bio><email xlink:type="simple">kmomynaliev@vniiimt.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0971-853X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Иванов</surname><given-names>И. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Ivanov</surname><given-names>I. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Иванов Игорь Владимирович, д. м. н., профессор, генеральный директор</p><p>Москва</p></bio><bio xml:lang="en"><p>Ivanov Igor V., Dr Med Sci (habil.), professor, general director</p><p>Moscow</p></bio><email xlink:type="simple">ivanov@vniiimt.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБУ «Всероссийский научно-исследовательский и испытательный институт медицинской техники» Росздравнадзора</institution><country>Россия</country></aff><aff xml:lang="en"><institution>All-Russian Research and Testing Institute of Medical Equipment</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>03</day><month>06</month><year>2026</year></pub-date><volume>0</volume><issue>7</issue><issue-title>Современная лаборатория (1)</issue-title><fpage>48</fpage><lpage>55</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Момыналиев К.Т., Иванов И.В., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Момыналиев К.Т., Иванов И.В.</copyright-holder><copyright-holder xml:lang="en">Momynaliev K.T., Ivanov I.V.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://www.med-alphabet.com/jour/article/view/5070">https://www.med-alphabet.com/jour/article/view/5070</self-uri><abstract><sec><title>Цель исследования</title><p>Цель исследования. Проанализировать международные подходы к серийному контролю медицинских изделий для диагностики in vitro высокого риска и оценить возможности внедрения посерийного контроля в Российской Федерации. В рамках обзорного анализа рассматривается также межсерийная вариабельность как один из факторов, влияющих на достоверность лабораторных исследований.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Проведен аналитико‑обзорный анализ научных публикаций, международных моделей посерийного контроля в различных регуляторных юрисдикциях, а также данных российского государственного контроля (надзора) по выявлению недоброкачественных серий изделий для диагностики in vitro за 2015–2025 годы. Сравнение международных моделей выполнено по критериям независимости экспертизы, организационной реализуемости, пропускной способности и способности предотвращать выпуск серий с отклоняющимися характеристиками.</p></sec><sec><title>Результаты</title><p>Результаты. Посерийный контроль изделий для диагностики in vitro третьего класса риска является ключевым инструментом обеспечения достоверности лабораторных исследований и снижения вероятности диагностических ошибок. Международные и российские данные показывают, что межсерийная вариабельность является значимым фактором риска, способным снижать чувствительность и специфичность диагностических тестов. Несмотря на наличие механизмов государственной регистрации и пострегистрационного надзора, в Российской Федерации дефекты серий выявляются преимущественно на этапе клинического применения.</p></sec><sec><title>Вывод</title><p>Вывод. Внедрение независимой посерийной проверки представляется обоснованным и необходимым механизмом повышения качества диагностических изделий и своевременного предотвращения клинически значимых отклонений.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Objective</title><p>Objective. To analyze international approaches to lot‑by‑lot quality control of high‑risk in vitro diagnostic medical devices and to assess the feasibility of implementing lot veriﬁcation in the Russian Federation. The review also considers lot‑to‑lot variability as a factor affecting the reliability of laboratory testing.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. An analytical review was conducted, including scientiﬁc publications, international models of lot‑by‑lot control applied across various regulatory jurisdictions, and data from Russian state surveillance reports on substandard lots of in vitro diagnostic devices for the period 2015–2025. International models were compared according to independence of expertise, organizational feasibility, throughput capacity, and the ability to prevent the release of lots with deviating performance characteristics.</p></sec><sec><title>Results</title><p>Results. Lot‑by‑lot veriﬁcation of third‑risk‑class in vitro diagnostic medical devices is a key mechanism for ensuring the reliability of laboratory testing and reducing the likelihood of diagnostic errors. International and Russian data indicate that lot‑to‑lot variability is a signiﬁcant risk factor capable of reducing the sensitivity and speciﬁcity of diagnostic assays. Despite the existing mechanisms of state registration and post‑market surveillance, in the Russian Federation lot‑related defects are predominantly detected only during clinical use.</p></sec><sec><title>Conclusion</title><p>Conclusion. The implementation of independent lot‑by‑lot veriﬁcation represents a justiﬁed and necessary measure for improving the quality of diagnostic devices and enabling timely prevention of clinically signiﬁcant deviations.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>посерийный контроль</kwd><kwd>межсерийная вариабельность</kwd><kwd>медицинские изделия для диагностики in vitro</kwd><kwd>регуляторный надзор</kwd><kwd>аналитические характеристики</kwd><kwd>качество медицинских изделий</kwd><kwd>независимая верификация серии</kwd><kwd>международные регуляторные модели</kwd></kwd-group><kwd-group xml:lang="en"><kwd>lot‑by‑lot verification</kwd><kwd>lot‑to‑lot variability</kwd><kwd>in vitro diagnostic medical devices</kwd><kwd>regulatory oversight</kwd><kwd>analytical performance</kwd><kwd>medical device quality</kwd><kwd>independent lot verification</kwd><kwd>international regulatory models</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Luo Y, Pehrsson M, Langholm L, Karsdal M, Bay Jensen A C, Sun S. 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