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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">izmertech</journal-id><journal-title-group><journal-title xml:lang="ru">Измерительная техника</journal-title><trans-title-group xml:lang="en"><trans-title>Izmeritel`naya Tekhnika</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0368-1025</issn><issn pub-type="epub">2949-5237</issn><publisher><publisher-name>ФГУП "ВНИИФТРИ"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.32446/0368-1025it.2022-7-69-74</article-id><article-id custom-type="elpub" pub-id-type="custom">izmertech-1620</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>МЕДИЦИНСКИЕ И БИОЛОГИЧЕСКИЕ ИЗМЕРЕНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>MEDICAL AND BIOLOGICAL MEASUREMENTS</subject></subj-group></article-categories><title-group><article-title>Оценивание неопределённости измерений в лабораторной медицине</article-title><trans-title-group xml:lang="en"><trans-title>Uncertainty of measurement results in laboratory medicine</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6222-5884</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Чуновкина</surname><given-names>А. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Chunovkina</surname><given-names>A. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Анна Гурьевна Чуновкина</p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Аnna G. Chunovkina</p><p>St. Petersburg</p></bio><email xlink:type="simple">A.G.Chunovkina@vniim.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/0000-0002-2111-2488</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Тумилович</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Tumilovich</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Анастасия Андреевна Тумилович</p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Anastasiya A. Tumilovich</p><p>St. Petersburg</p></bio><email xlink:type="simple">A.A.Koroleva@vniim.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Степанов</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Stepanov</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Александр Владимирович Степанов</p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Aleksandr V. Stepanov</p><p>St. Petersburg</p></bio><email xlink:type="simple">stepanov17@yandex.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/0000-0003-4061-7411</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Вонский</surname><given-names>М. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Vonsky</surname><given-names>M. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Максим Сергеевич Вонский</p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Мaxim S. Vonsky</p><p>St. Petersburg</p></bio><email xlink:type="simple">m.s.vonsky@vniim.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/0000-0002-0482-0802</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ковязина</surname><given-names>Н. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Kovyazina</surname><given-names>N. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Надежда Алексеевна Ковязина</p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Nadezhda A. Kovyazina</p><p>St. Petersburg</p></bio><email xlink:type="simple">nakovzn@gmail.com</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6268-8969</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Алхутова</surname><given-names>Н. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Alkhutova</surname><given-names>N. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Наталья Александровна Алхутова</p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Natalya A. Alkhutova</p><p>St. Petersburg</p></bio><email xlink:type="simple">nalhutova@yandex.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2079-0439</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Эмануэль</surname><given-names>В. Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Emanuel</surname><given-names>V. L.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Владимир Леонидович Эмануэль</p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Vladimir L. Emanuel</p><p>St. Petersburg</p></bio><email xlink:type="simple">vladimirem1@gmail.com</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Всероссийский научно-исследовательский институт метрологии им. Д. И. Менделеева</institution><country>Россия</country></aff><aff xml:lang="en"><institution>D. I.Mendeleyev Institute for Metrology (VNIIM)</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Всероссийский центр экстренной и радиационной медицины им. А. М. Никифорова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>The Nikiforov Russian Center of Emergency and Radiation Medicine (NRCERM, EMERCOM of Russia)</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Первый Санкт-Петербургский государственный медицинский университет им. акад. И. П. Павлова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Pavlov First Saint Petersburg State Medical University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>16</day><month>05</month><year>2023</year></pub-date><volume>0</volume><issue>7</issue><fpage>69</fpage><lpage>74</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Чуновкина А.Г., Тумилович А.А., Степанов А.В., Вонский М.С., Ковязина Н.С., Алхутова Н.А., Эмануэль В.Л., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Чуновкина А.Г., Тумилович А.А., Степанов А.В., Вонский М.С., Ковязина Н.С., Алхутова Н.А., Эмануэль В.Л.</copyright-holder><copyright-holder xml:lang="en">Chunovkina A.G., Tumilovich A.A., Stepanov A.V., Vonsky M.S., Kovyazina N.A., Alkhutova N.A., Emanuel V.L.</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.izmt.ru/jour/article/view/1620">https://www.izmt.ru/jour/article/view/1620</self-uri><abstract><p>Рассмотрены вопросы достоверности результатов измерений при лабораторной диагностике, на основании которых принимают медицинские решения. Для корректной постановки диагноза, особенно если результаты измерений близки к референтным значениям определяемых параметров, необходимо оценивать точность и/или неопределённость результатов измерений. Рассмотрено применение на практике документа ISO/TS 20914:2019 «Медицинские лаборатории. Практическое руководство по оценке неопределённости измерения», в котором использована методология «Руководства по выражению неопределённости измерения» и изложен практический подход к оцениванию неопределённости на основе всей доступной информации в лаборатории. Представлен пример оценивания неопределённости измерений, проведённых в медицинской лаборатории. Особое внимание уделено оцениванию прецизионности измерения, неопределённости по типу А. Проанализированы данные, которыми располагает лаборатория, и оценено соответствие полученных результатов измерений актуальным требованиям. Внедрение в деятельность медицинских лабораторий документа ISO/TS 20914:2019 позволяет оценить неопределённость измерений, проведённых в лаборатории, а также факторы, которые вносят максимальный вклад в неопределённость измерений.</p></abstract><trans-abstract xml:lang="en"><p>The issues of reliability of measurement results in laboratory diagnostics, on the basis of which medical decisions are made, are considered. For a correct diagnosis, especially if the measurement results are close to the reference values of the parameters being determined, it is necessary to evaluate the accuracy and/or uncertainty of the measurement results. Therefore, the document ISO/TS 20914:2019 “Medical laboratories – Practical guidance for the estimation of measurement uncertainty” was developed, which follows the GUM methodology, but at the same time sets out a practical approach to estimating uncertainty based on all information available in a laboratory. This article presents an example of estimating measurement uncertainty based on data available in a medical laboratory. Particular attention was paid to the assessment of measurement precision, type A uncertainty. The purpose of the study was to analyze data available for the laboratory and assess the compliance of the obtained measurement results with current requirements. Thanks to the implementation of the ISO/TS 20914:2019 in activities of medical laboratories, it is possible to evaluate the uncertainty of measurement results based on the data available in the laboratory, as well as to evaluate the factors that make maximum contribution to the measurement uncertainty.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>лабораторная медицина</kwd><kwd>клинико-диагностическая лаборатория</kwd><kwd>неопределённость измерений</kwd><kwd>точность</kwd><kwd>внешняя проверка качества</kwd><kwd>прецизионность измерений</kwd></kwd-group><kwd-group xml:lang="en"><kwd>laboratory medicine</kwd><kwd>clinical diagnostic laboratory</kwd><kwd>measurement uncertainty</kwd><kwd>accuracy</kwd><kwd>external quality control</kwd><kwd>measurement precision</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">Theodorsson E., Magnusson B., Accreditation and Quality Assurance, 2017, vol. 22, pр. 235–246. https://doi.org/10.1007/s00769-017-1275-7</mixed-citation><mixed-citation xml:lang="en">Theodorsson E., Magnusson B., Accreditation and Quality Assurance, 2017, vol. 22, pр. 235–246. https://doi.org/10.1007/s00769-017-1275-7</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">Braga F., Panteghini M., Clinical Chemistry and Laboratory Medicine (CCLM), 2020, vol. 58(9), no. 3, рр. 1407–1413. https://doi.org/10.1515/cclm-2019-1336</mixed-citation><mixed-citation xml:lang="en">Braga F., Panteghini M., Clinical Chemistry and Laboratory Medicine (CCLM), 2020, vol. 58(9), no. 3, рр. 1407–1413. https://doi.org/10.1515/cclm-2019-1336</mixed-citation></citation-alternatives></ref><ref id="cit3"><label>3</label><citation-alternatives><mixed-citation xml:lang="ru">Callum G. 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