Publicação
Emerging practices in the estimation of hemoglobin measurement uncertainty in blood establishments
| Resumo: | Measurement uncertainty (MU) is increasingly recognized as a critical analytical parameter within ISO and European regulatory frameworks. In transfusion laboratories, where hemoglobin testing determines donor eligibility and informs transfusion decisions, MU directly impacts patient and donor safety. This study applies ISO/TS 20914:2019 to estimate MU in hemoglobin testing using the cyanmethemoglobin method in EDTA-K3 venous blood. A parametric simulation model informed by EFLM biological variation data was used to evaluate three scenarios: (1) within-laboratory imprecision, (2) addition of calibrator uncertainty, and (3) incorporation of significant bias uncertainty. All scenarios met desirable (2.7 %) and minimum (4.1 %) performance targets for allowable uncertainty. These findings reinforce the integration of MU estimation as a European and ISO-endorsed best practice in transfusion laboratory medicine. This approach supports traceable, risk-informed decision-making, aligning transfusion services with ISO 15189:2022 requirements. |
|---|---|
| Autores principais: | Timóteo, Maria Helena |
| Outros Autores: | Tavares, Ana Sofia; Pereira, Paulo |
| Assunto: | Biological variation Donor screening Hemoglobin testing ISO 15189 ISO/TS 20914 IVDR Measurement uncertainty Transfusion safety |
| Ano: | 2026 |
| País: | Portugal |
| Tipo de documento: | artigo |
| Tipo de acesso: | acesso embargado |
| Instituição associada: | Instituto Politécnico de Lisboa |
| Idioma: | inglês |
| Origem: | Repositório Científico do Instituto Politécnico de Lisboa |
| _version_ | 1866887688829796352 |
|---|---|
| author | Timóteo, Maria Helena |
| author2 | Tavares, Ana Sofia Pereira, Paulo |
| author2_role | author author |
| author_facet | Timóteo, Maria Helena Tavares, Ana Sofia Pereira, Paulo |
| author_role | author |
| contributor_name_str_mv | RCIPL |
| country_str | PT |
| creators_json_txt | [{\"Person.name\":\"Timóteo, Maria Helena\"},{\"Person.name\":\"Tavares, Ana Sofia\",\"Person.identifier.orcid\":\"0000-0002-5335-7498\"},{\"Person.name\":\"Pereira, Paulo\"}] |
| datacite.contributors.contributor.contributorName.fl_str_mv | RCIPL |
| datacite.creators.creator.creatorName.fl_str_mv | Timóteo, Maria Helena Tavares, Ana Sofia Pereira, Paulo |
| datacite.date.Accepted.fl_str_mv | 2026-04-01T00:00:00Z |
| datacite.date.available.fl_str_mv | 2026-03-11T12:31:14Z |
| datacite.date.embargoed.fl_str_mv | 2026-03-11T12:31:14Z |
| datacite.rights.fl_str_mv | http://purl.org/coar/access_right/c_f1cf |
| datacite.subjects.subject.fl_str_mv | Biological variation Donor screening Hemoglobin testing ISO 15189 ISO/TS 20914 IVDR Measurement uncertainty Transfusion safety |
| datacite.titles.title.fl_str_mv | Emerging practices in the estimation of hemoglobin measurement uncertainty in blood establishments |
| dc.contributor.none.fl_str_mv | RCIPL |
| dc.creator.none.fl_str_mv | Timóteo, Maria Helena Tavares, Ana Sofia Pereira, Paulo |
| dc.date.Accepted.fl_str_mv | 2026-04-01T00:00:00Z |
| dc.date.available.fl_str_mv | 2026-03-11T12:31:14Z |
| dc.date.embargoed.fl_str_mv | 2026-03-11T12:31:14Z |
| dc.format.none.fl_str_mv | application/pdf |
| dc.identifier.none.fl_str_mv | http://hdl.handle.net/10400.21/22715 |
| dc.language.none.fl_str_mv | eng |
| dc.publisher.none.fl_str_mv | Elsevier BV |
| dc.rights.cclincense.fl_str_mv | http://creativecommons.org/licenses/by-nc-nd/4.0/ |
| dc.rights.none.fl_str_mv | http://purl.org/coar/access_right/c_f1cf |
| dc.subject.none.fl_str_mv | Biological variation Donor screening Hemoglobin testing ISO 15189 ISO/TS 20914 IVDR Measurement uncertainty Transfusion safety |
| dc.title.fl_str_mv | Emerging practices in the estimation of hemoglobin measurement uncertainty in blood establishments |
| dc.type.none.fl_str_mv | http://purl.org/coar/resource_type/c_6501 |
| description | Measurement uncertainty (MU) is increasingly recognized as a critical analytical parameter within ISO and European regulatory frameworks. In transfusion laboratories, where hemoglobin testing determines donor eligibility and informs transfusion decisions, MU directly impacts patient and donor safety. This study applies ISO/TS 20914:2019 to estimate MU in hemoglobin testing using the cyanmethemoglobin method in EDTA-K3 venous blood. A parametric simulation model informed by EFLM biological variation data was used to evaluate three scenarios: (1) within-laboratory imprecision, (2) addition of calibrator uncertainty, and (3) incorporation of significant bias uncertainty. All scenarios met desirable (2.7 %) and minimum (4.1 %) performance targets for allowable uncertainty. These findings reinforce the integration of MU estimation as a European and ISO-endorsed best practice in transfusion laboratory medicine. This approach supports traceable, risk-informed decision-making, aligning transfusion services with ISO 15189:2022 requirements. |
| dirty | 0 |
| eu_rights_str_mv | embargoedAccess |
| format | article |
| fulltext.url.fl_str_mv | https://repositorio.ipl.pt/bitstreams/64c27536-840e-4980-82fa-77365ccc4104/download |
| id | ripl_4e2494ef9020a4cf02e8c08c8a2bfaf8 |
| identifier.url.fl_str_mv | http://hdl.handle.net/10400.21/22715 |
| instacron_str | ipl |
| institution | Instituto Politécnico de Lisboa |
| instname_str | Instituto Politécnico de Lisboa |
| language | eng |
| network_acronym_str | ripl |
| network_name_str | Repositório Científico do Instituto Politécnico de Lisboa |
| oai_identifier_str | oai:repositorio.ipl.pt:10400.21/22715 |
| organization_str_mv | urn:organizationAcronym:ipl |
| person_str_mv | Timóteo, Maria Helena Tavares, Ana Sofia Tavares, Ana Sofia https://www.ciencia-id.pt/9D10-BB39-04DF 9D10-BB39-04DF http://orcid.org/0000-0002-5335-7498 0000-0002-5335-7498 Pereira, Paulo |
| publishDate | 2026 |
| publisher.none.fl_str_mv | Elsevier BV |
| reponame_str | Repositório Científico do Instituto Politécnico de Lisboa |
| repository_id_str | urn:repositoryAcronym:ripl |
| service_str_mv | urn:repositoryAcronym:ripl |
| spelling | engElsevier BVengMeasurement uncertainty (MU) is increasingly recognized as a critical analytical parameter within ISO and European regulatory frameworks. In transfusion laboratories, where hemoglobin testing determines donor eligibility and informs transfusion decisions, MU directly impacts patient and donor safety. This study applies ISO/TS 20914:2019 to estimate MU in hemoglobin testing using the cyanmethemoglobin method in EDTA-K3 venous blood. A parametric simulation model informed by EFLM biological variation data was used to evaluate three scenarios: (1) within-laboratory imprecision, (2) addition of calibrator uncertainty, and (3) incorporation of significant bias uncertainty. All scenarios met desirable (2.7 %) and minimum (4.1 %) performance targets for allowable uncertainty. These findings reinforce the integration of MU estimation as a European and ISO-endorsed best practice in transfusion laboratory medicine. This approach supports traceable, risk-informed decision-making, aligning transfusion services with ISO 15189:2022 requirements.application/pdfengEmerging practices in the estimation of hemoglobin measurement uncertainty in blood establishmentsTimóteo, Maria HelenaPersonalTavares, Ana SofiaDSpacehttp://dspace.org/items/13fb72b8-212a-4a99-84c3-9038d984d945DSpacehttp://dspace.org/items/13fb72b8-212a-4a99-84c3-9038d984d945TavaresAna SofiaCiência IDhttps://www.ciencia-id.pt9D10-BB39-04DFORCIDhttp://orcid.org0000-0002-5335-7498Pereira, PauloHostingInstitutionOrganizationalRCIPLe-mailmailto:rcaap@sp.ipl.ptrcaap@sp.ipl.ptISSNIsPartOf1473-0502DOIIsPartOf10.1016/j.transci.2026.1044012026-03-11T12:31:14Z2026-042026-04-01T00:00:00ZHandlehttp://hdl.handle.net/10400.21/22715http://purl.org/coar/access_right/c_f1cfembargoed accessBiological variationDonor screeningHemoglobin testingISO 15189ISO/TS 20914IVDRMeasurement uncertaintyTransfusion safety437913 bytesliteraturehttp://purl.org/coar/resource_type/c_6501journal article2026-04http://creativecommons.org/licenses/by-nc-nd/4.0/http://purl.org/coar/access_right/c_f1cfapplication/pdffulltexthttps://repositorio.ipl.pt/bitstreams/64c27536-840e-4980-82fa-77365ccc4104/downloadTransfusion and Apheresis Science652104401 |
| spellingShingle | Emerging practices in the estimation of hemoglobin measurement uncertainty in blood establishments Timóteo, Maria Helena Biological variation Donor screening Hemoglobin testing ISO 15189 ISO/TS 20914 IVDR Measurement uncertainty Transfusion safety |
| status | SINGLETON |
| subject.fl_str_mv | Biological variation Donor screening Hemoglobin testing ISO 15189 ISO/TS 20914 IVDR Measurement uncertainty Transfusion safety |
| title | Emerging practices in the estimation of hemoglobin measurement uncertainty in blood establishments |
| title_full | Emerging practices in the estimation of hemoglobin measurement uncertainty in blood establishments |
| title_fullStr | Emerging practices in the estimation of hemoglobin measurement uncertainty in blood establishments |
| title_full_unstemmed | Emerging practices in the estimation of hemoglobin measurement uncertainty in blood establishments |
| title_short | Emerging practices in the estimation of hemoglobin measurement uncertainty in blood establishments |
| title_sort | Emerging practices in the estimation of hemoglobin measurement uncertainty in blood establishments |
| topic | Biological variation Donor screening Hemoglobin testing ISO 15189 ISO/TS 20914 IVDR Measurement uncertainty Transfusion safety |
| topic_facet | Biological variation Donor screening Hemoglobin testing ISO 15189 ISO/TS 20914 IVDR Measurement uncertainty Transfusion safety |
| url | http://hdl.handle.net/10400.21/22715 |
| visible | 1 |